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Category: Exploits

Explore the latest software exploits, zero-day vulnerabilities, and security PoCs. Geek-Guy provides expert analysis on emerging threats and how to stay protected.

U.S. CISA adds Citrix NetScaler flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Citrix NetScaler vulnerability to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Citrix NetScaler vulnerability, tracked as CVE-2025-6543, to its Known Exploited Vulnerabilities (KEV) catalog. CVE-2025-6543 (CVSS score of 9.2) is a memory overflow vulnerability in NetScaler ADC and NetScaler Gateway when configured…

Senator Chides FBI for Weak Advice on Mobile Security

Agents with the Federal Bureau of Investigation (FBI) briefed Capitol Hill staff recently on hardening the security of their mobile devices, after a contacts list stolen from the personal phone of the White House Chief of Staff Susie Wiles was reportedly used to fuel a series of text messages and phone calls impersonating her to…

Fake Receipt Detector Technology: Protecting Financial Integrity in the Digital Age

The rise of sophisticated digital tools and artificial intelligence has revolutionized many aspects of business and finance, but it has also created new opportunities for fraudulent activities. Among the most concerning developments is the increasing prevalence of fake receipts and fraudulent expense documentation. As businesses, insurance companies, and financial institutions grapple with these challenges, the…

How to Chart an Exposure Management Leadership Path for You, Your Boss and Your Organization

Each Monday, the Tenable Exposure Management Academy provides the practical, real-world guidance you need to shift from vulnerability management to exposure management. In this post, we share some tips on how to lead the move to exposure management. You can read the entire Exposure Management Academy series here. For years, organizations poured resources into reactive…

Patch now: Citrix Bleed 2 vulnerability actively exploited in the wild

Citrix users are back in the crosshairs, as a new out-of-bounds read vulnerability, reminiscent of the notorious “Citrix Bleed,” has surfaced with signs already pointing to active exploitation. The vulnerability tracked as CVE-2025-5777 and dubbed “Citrix Bleed 2” by the researchers, is an insufficient input validation issue affecting Citrix NetScaler ADC and NetScaler Gateway devices,…

Patch now: Citrix Bleed 2 vulnerability actively exploited in the wild

Citrix users are back in the crosshairs, as a new out-of-bounds read vulnerability, reminiscent of the notorious “Citrix Bleed,” has surfaced with signs already pointing to active exploitation. The vulnerability tracked as CVE-2025-5777 and dubbed “Citrix Bleed 2” by the researchers, is an insufficient input validation issue affecting Citrix NetScaler ADC and NetScaler Gateway devices,…

Patch now: Citrix Bleed 2 vulnerability actively exploited in the wild

Citrix users are back in the crosshairs, as a new out-of-bounds read vulnerability, reminiscent of the notorious “Citrix Bleed,” has surfaced with signs already pointing to active exploitation. The vulnerability tracked as CVE-2025-5777 and dubbed “Citrix Bleed 2” by the researchers, is an insufficient input validation issue affecting Citrix NetScaler ADC and NetScaler Gateway devices,…

Cybercriminals take malicious AI to the next level

Cybercriminals have begun refining malicious large language models (LLMs) using underground forum posts and breach dumps to tailor AI models for specific fraud schemes, threat intel firm Flashpoint warns. More specifically, fraudsters are fine-tuning illicit LLMs — including WormGPT and FraudGPT — using malicious datasets such as breached credentials, scam scripts, and infostealer logs. As…

Cybercriminals take malicious AI to the next level

Cybercriminals have begun refining malicious large language models (LLMs) using underground forum posts and breach dumps to tailor AI models for specific fraud schemes, threat intel firm Flashpoint warns. More specifically, fraudsters are fine-tuning illicit LLMs — including WormGPT and FraudGPT — using malicious datasets such as breached credentials, scam scripts, and infostealer logs. As…

Cybercriminals take malicious AI to the next level

Cybercriminals have begun refining malicious large language models (LLMs) using underground forum posts and breach dumps to tailor AI models for specific fraud schemes, threat intel firm Flashpoint warns. More specifically, fraudsters are fine-tuning illicit LLMs — including WormGPT and FraudGPT — using malicious datasets such as breached credentials, scam scripts, and infostealer logs. As…

Beyond CVE: The hunt for other sources of vulnerability intel

The recent brief scare over the potential discontinuation of the Common Vulnerabilities and Exposures (CVE) program highlighted the security industry’s heavy reliance on it and sparked discussions on contingency strategies should the standardized vulnerability identification and cataloguing system become unavailable. The short-lived drama was triggered by a letter from MITRE’s director to CVE board members,…

Beyond CVE: The hunt for other sources of vulnerability intel

The recent brief scare over the potential discontinuation of the Common Vulnerabilities and Exposures (CVE) program highlighted the security industry’s heavy reliance on it and sparked discussions on contingency strategies should the standardized vulnerability identification and cataloguing system become unavailable. The short-lived drama was triggered by a letter from MITRE’s director to CVE board members,…

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 51

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Ransomware Gangs Collapse as Qilin Seizes Control  Dissecting a Python Ransomware distributed through GitHub repositories  SparkKitty, SparkCat’s little brother: A new Trojan spy found in the App Store and Google Play   Uncovering a Tor-Enabled Docker Exploit …

Taking over millions of developers exploiting an Open VSX Registry flaw

A critical flaw in Open VSX Registry could let attackers hijack the VS Code extension hub, exposing millions of developers to supply chain attacks. Cybersecurity researchers at Koi Security discovered a critical vulnerability in the Open VSX Registry (open-vsx.org) that could have let attackers take over the Visual Studio Code extensions marketplace, endangering millions of…

Taking over millions of developers exploiting an Open VSX Registry flaw

A critical flaw in Open VSX Registry could let attackers hijack the VS Code extension hub, exposing millions of developers to supply chain attacks. Cybersecurity researchers at Koi Security discovered a critical vulnerability in the Open VSX Registry (open-vsx.org) that could have let attackers take over the Visual Studio Code extensions marketplace, endangering millions of…

Taking over millions of developers exploiting an Open VSX Registry flaw

A critical flaw in Open VSX Registry could let attackers hijack the VS Code extension hub, exposing millions of developers to supply chain attacks. Cybersecurity researchers at Koi Security discovered a critical vulnerability in the Open VSX Registry (open-vsx.org) that could have let attackers take over the Visual Studio Code extensions marketplace, endangering millions of…

MOVEit Transfer Faces Increased Threats as Scanning Surges and CVE Flaws Are Targeted

Threat intelligence firm GreyNoise is warning of a “notable surge” in scanning activity targeting Progress MOVEit Transfer systems starting May 27, 2025—suggesting that attackers may be preparing for another mass exploitation campaign or probing for unpatched systems.MOVEit Transfer is a popular managed file transfer solution used by businesses and government agencies to share sensitive data

Don’t trust that email: It could be from a hacker using your printer to scam you

Printers and scanners are increasingly becoming ways for cyber crooks to deliver phishing attacks, thanks to a flaw in the Microsoft 365 Direct Send feature. The Varonis forensics team has uncovered an exploit which allows internal devices such as printers to send emails without authentication. The vulnerability has been used to target more than 70…

Don’t trust that email: It could be from a hacker using your printer to scam you

Printers and scanners are increasingly becoming ways for cyber crooks to deliver phishing attacks, thanks to a flaw in the Microsoft 365 Direct Send feature. The Varonis forensics team has uncovered an exploit which allows internal devices such as printers to send emails without authentication. The vulnerability has been used to target more than 70…

Don’t trust that email: It could be from a hacker using your printer to scam you

Printers and scanners are increasingly becoming ways for cyber crooks to deliver phishing attacks, thanks to a flaw in the Microsoft 365 Direct Send feature. The Varonis forensics team has uncovered an exploit which allows internal devices such as printers to send emails without authentication. The vulnerability has been used to target more than 70…

Don’t trust that email: It could be from a hacker using your printer to scam you

Printers and scanners are increasingly becoming ways for cyber crooks to deliver phishing attacks, thanks to a flaw in the Microsoft 365 Direct Send feature. The Varonis forensics team has uncovered an exploit which allows internal devices such as printers to send emails without authentication. The vulnerability has been used to target more than 70…

Critical Open VSX Registry Flaw Exposes Millions of Developers to Supply Chain Attacks

Cybersecurity researchers have disclosed a critical vulnerability in the Open VSX Registry (“open-vsx[.]org”) that, if successfully exploited, could have enabled attackers to take control of the entire Visual Studio Code extensions marketplace, posing a severe supply chain risk. “This vulnerability provides attackers full control over the entire extensions marketplace, and in turn, full control

What is Penetration Testing? Importance, Types and Process

Penetration testing is a simulated cyberattack to identify security flaws. Learn its types, benefits, process, and why it’s essential for your business. In today’s ever-evolving cyber landscape, cyberattacks are not a matter of “if” but “when.” Businesses, large and small, are constantly under threat from hackers seeking to exploit security vulnerabilities. One of the most…

What is Penetration Testing? Importance, Types and Process

Penetration testing is a simulated cyberattack to identify security flaws. Learn its types, benefits, process, and why it’s essential for your business. In today’s ever-evolving cyber landscape, cyberattacks are not a matter of “if” but “when.” Businesses, large and small, are constantly under threat from hackers seeking to exploit security vulnerabilities. One of the most…

What is Penetration Testing? Importance, Types and Process

Penetration testing is a simulated cyberattack to identify security flaws. Learn its types, benefits, process, and why it’s essential for your business. In today’s ever-evolving cyber landscape, cyberattacks are not a matter of “if” but “when.” Businesses, large and small, are constantly under threat from hackers seeking to exploit security vulnerabilities. One of the most…

What is Penetration Testing? Importance, Types and Process

Penetration testing is a simulated cyberattack to identify security flaws. Learn its types, benefits, process, and why it’s essential for your business. In today’s ever-evolving cyber landscape, cyberattacks are not a matter of “if” but “when.” Businesses, large and small, are constantly under threat from hackers seeking to exploit security vulnerabilities. One of the most…

CISA Adds 3 Flaws to KEV Catalog, Impacting AMI MegaRAC, D-Link, Fortinet

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added three security flaws, each impacting AMI MegaRAC, D-Link DIR-859 router, and Fortinet FortiOS, to its Known Exploited Vulnerabilities (KEV) catalog, based on evidence of active exploitation. The list of vulnerabilities is as follows – CVE-2024-54085 (CVSS score: 10.0) – An authentication bypass by spoofing

BreachForums Is DEAD — Cybercrime’s Biggest Empire Just Got Crushed!

A coordinated law enforcement operation in France has resulted in the arrest of key figures behind BreachForums, one of the most active and influential marketplaces for cybercriminals in recent years. The takedown marks a significant disruption in the cybercriminal economy, highlighting both the global reach of modern threat actors and the increasing sophistication of cross-border…

Citrix users hit by actively exploited zero-day vulnerability

Citrix on Wednesday disclosed an actively exploited zero-day vulnerability affecting multiple versions of NetScaler products, an alarming development from a vendor that’s been widely targeted in previous attack sprees. The zero-day (CVE-2025-6543) was disclosed by Citrix nine days after it issued a security bulletin for a pair of defects (CVE-2025-5777 and CVE-2025-5349) in the same…

Is Microsoft really axing Windows 10? Here’s what you need to know

“Stay on the right side of risk.” That’s what a new advertisement from Microsoft says, urging businesses and consumers to upgrade their Windows 10 PCs in the coming months. After all, Windows 10 will stop getting security updates in October. That’s now only four months away. Microsoft has spent a lot of time talking about…

Is Microsoft really axing Windows 10? Here’s what you need to know

“Stay on the right side of risk.” That’s what a new advertisement from Microsoft says, urging businesses and consumers to upgrade their Windows 10 PCs in the coming months. After all, Windows 10 will stop getting security updates in October. That’s now only four months away. Microsoft has spent a lot of time talking about…

Citrix Bleed 2 Flaw Enables Token Theft; SAP GUI Flaws Risk Sensitive Data Exposure

Cybersecurity researchers have detailed two now-patched security flaws in SAP Graphical User Interface (GUI) for Windows and Java that, if successfully exploited, could have enabled attackers to access sensitive information under certain conditions. The vulnerabilities, tracked as CVE-2025-0055 and CVE-2025-0056 (CVSS scores: 6.0), were patched by SAP as part of its monthly updates for January

How to Spot Registry Abuse by Malware: Examples in ANY.RUN Sandbox 

When malware infiltrates a system, it doesn’t always make noise. In fact, some of the most dangerous threats operate quietly embedding themselves deep within the system and ensuring they come back even after a reboot. One of the most common ways they achieve this is by abusing the Windows Registry.  In this article, we’ll walk…

How to Spot Registry Abuse by Malware: Examples in ANY.RUN Sandbox 

When malware infiltrates a system, it doesn’t always make noise. In fact, some of the most dangerous threats operate quietly embedding themselves deep within the system and ensuring they come back even after a reboot. One of the most common ways they achieve this is by abusing the Windows Registry.  In this article, we’ll walk…

How to Spot Registry Abuse by Malware: Examples in ANY.RUN Sandbox 

When malware infiltrates a system, it doesn’t always make noise. In fact, some of the most dangerous threats operate quietly embedding themselves deep within the system and ensuring they come back even after a reboot. One of the most common ways they achieve this is by abusing the Windows Registry.  In this article, we’ll walk…

How to Spot Registry Abuse by Malware: Examples in ANY.RUN Sandbox 

When malware infiltrates a system, it doesn’t always make noise. In fact, some of the most dangerous threats operate quietly embedding themselves deep within the system and ensuring they come back even after a reboot. One of the most common ways they achieve this is by abusing the Windows Registry.  In this article, we’ll walk…

Hackers Exploit Misconfigured Docker APIs to Mine Cryptocurrency via Tor Network

Misconfigured Docker instances are the target of a campaign that employs the Tor anonymity network to stealthily mine cryptocurrency in susceptible environments. “Attackers are exploiting misconfigured Docker APIs to gain access to containerized environments, then using Tor to mask their activities while deploying crypto miners,” Trend Micro researchers Sunil Bharti and Shubham Singh said in…

Clone, Compile, Compromise: Water Curse’s Open-Source Malware Trap on GitHub

The Trend Micro™ Managed Detection and Response team uncovered a threat campaign orchestrated by an active group, Water Curse. The threat actor exploits GitHub, one of the most trusted platforms for open-source software, as a delivery channel for weaponized repositories.

Clone, Compile, Compromise: Water Curse’s Open-Source Malware Trap on GitHub

The Trend Micro™ Managed Detection and Response team uncovered a threat campaign orchestrated by an active group, Water Curse. The threat actor exploits GitHub, one of the most trusted platforms for open-source software, as a delivery channel for weaponized repositories.

Clone, Compile, Compromise: Water Curse’s Open-Source Malware Trap on GitHub

The Trend Micro™ Managed Detection and Response team uncovered a threat campaign orchestrated by an active group, Water Curse. The threat actor exploits GitHub, one of the most trusted platforms for open-source software, as a delivery channel for weaponized repositories.

Clone, Compile, Compromise: Water Curse’s Open-Source Malware Trap on GitHub

The Trend Micro™ Managed Detection and Response team uncovered a threat campaign orchestrated by an active group, Water Curse. The threat actor exploits GitHub, one of the most trusted platforms for open-source software, as a delivery channel for weaponized repositories.

Penetration Testing for SaaS Providers: Building Trust and Security

In today’s rapidly evolving digital landscape, SaaS (software as a service) providers face increasing scrutiny regarding the security of their platforms. And with increasing numbers of customers entrusting sensitive data to Cloud-based solutions, penetration testing has become an essential component of a comprehensive security strategy. In a recent webinar, Penetration Testing for SaaS Providers, our…

Penetration Testing for SaaS Providers: Building Trust and Security

In today’s rapidly evolving digital landscape, SaaS (software as a service) providers face increasing scrutiny regarding the security of their platforms. And with increasing numbers of customers entrusting sensitive data to Cloud-based solutions, penetration testing has become an essential component of a comprehensive security strategy. In a recent webinar, Penetration Testing for SaaS Providers, our…

Penetration Testing for SaaS Providers: Building Trust and Security

In today’s rapidly evolving digital landscape, SaaS (software as a service) providers face increasing scrutiny regarding the security of their platforms. And with increasing numbers of customers entrusting sensitive data to Cloud-based solutions, penetration testing has become an essential component of a comprehensive security strategy. In a recent webinar, Penetration Testing for SaaS Providers, our…

Penetration Testing for SaaS Providers: Building Trust and Security

In today’s rapidly evolving digital landscape, SaaS (software as a service) providers face increasing scrutiny regarding the security of their platforms. And with increasing numbers of customers entrusting sensitive data to Cloud-based solutions, penetration testing has become an essential component of a comprehensive security strategy. In a recent webinar, Penetration Testing for SaaS Providers, our…

Attackers exploit Fortinet flaws to deploy Qilin ransomware

Qilin ransomware now exploits Fortinet vulnerabilities to achieve remote code execution on impacted devices. Threat intelligence firm PRODAFT warned that Qilin ransomware (aka Phantom Mantis) group targeted multiple organizations between May and June 2025 by exploiting multiple FortiGate vulnerabilities, including CVE-2024-21762, and CVE-2024-55591. “Phantom Mantis recently launched a coordinated intrusion campaign targeting multiple organizations between…

New phishing campaign hijacks clipboard via fake CAPTCHA for malware delivery

A new wave of browser-based phishing tricks unsuspecting users into copy-pasting malicious commands into their systems, all while believing they’re completing a legitimate CAPTCHA verification. According to a SlashNext research, attackers have been found cloning the Cloudflare Turnstile interface, a privacy-preserving CAPTCHA alternative to verify if a user is human, to lure users into executing…

Play ransomware group hit 900 organizations since 2022

A joint advisory from the US and Australian authorities states that Play ransomware has hit approximately 900 organizations over the past three years. A joint advisory from the Federal Bureau of Investigation (FBI), Cybersecurity and Infrastructure Security Agency (CISA), and Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) states that Play ransomware has hit…

CISA asks CISOs: Does that asset really have to be on the internet?

The US Cybersecurity and Infrastructure Security Agency (CISA) this week issued guidance to infosec pros on ways they can find insecure IT and OT systems, including servers, databases, sensors, switches, routers, and industrial control systems, and shield them from the public internet. Misconfigured systems, default credentials, and outdated software are often easily discovered through free…

U.S. CISA adds Google Chromium V8 flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a Google Chromium V8 vulnerability to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added Google Chromium V8 Out-of-Bounds Read and Write Vulnerability, tracked as CVE-2025-5419, to its Known Exploited Vulnerabilities (KEV) catalog. This week, Google released out-of-band updates to address three vulnerabilities…

Cellebrite to acquire mobile testing firm Corellium in $200 million deal

Security technology company Cellebrite has announced plans to acquire Florida-based mobile testing startup Corellium for $170 million in cash, with an additional $20 million converted to equity at closing and the potential for $30 million more based on performance milestones. The Israel-headquartered Cellebrite, known for its forensic equipment that unlocks smartphones, said the acquisition would…

Critical flaw in Cisco ISE impacts cloud deployments on AWS, Microsoft Azure, and Oracle Cloud Infrastructure

Cisco fixed a critical flaw in the Identity Services Engine (ISE) that could allow unauthenticated attackers to conduct malicious actions. A vulnerability tracked as CVE-2025-20286 (CVSS score 9.9) in cloud deployments of Cisco ISE on AWS, Microsoft Azure, and Oracle Cloud Infrastructure allows unauthenticated remote attackers to access sensitive data, perform limited administrative actions, modify…

Critical flaw in Cisco ISE impacts cloud deployments on AWS, Microsoft Azure, and Oracle Cloud Infrastructure

Cisco fixed a critical flaw in the Identity Services Engine (ISE) that could allow unauthenticated attackers to conduct malicious actions. A vulnerability tracked as CVE-2025-20286 (CVSS score 9.9) in cloud deployments of Cisco ISE on AWS, Microsoft Azure, and Oracle Cloud Infrastructure allows unauthenticated remote attackers to access sensitive data, perform limited administrative actions, modify…

Critical flaw in Cisco ISE impacts cloud deployments on AWS, Microsoft Azure, and Oracle Cloud Infrastructure

Cisco fixed a critical flaw in the Identity Services Engine (ISE) that could allow unauthenticated attackers to conduct malicious actions. A vulnerability tracked as CVE-2025-20286 (CVSS score 9.9) in cloud deployments of Cisco ISE on AWS, Microsoft Azure, and Oracle Cloud Infrastructure allows unauthenticated remote attackers to access sensitive data, perform limited administrative actions, modify…

Critical flaw in Cisco ISE impacts cloud deployments on AWS, Microsoft Azure, and Oracle Cloud Infrastructure

Cisco fixed a critical flaw in the Identity Services Engine (ISE) that could allow unauthenticated attackers to conduct malicious actions. A vulnerability tracked as CVE-2025-20286 (CVSS score 9.9) in cloud deployments of Cisco ISE on AWS, Microsoft Azure, and Oracle Cloud Infrastructure allows unauthenticated remote attackers to access sensitive data, perform limited administrative actions, modify…

Critical flaw in Cisco ISE impacts cloud deployments on AWS, Microsoft Azure, and Oracle Cloud Infrastructure

Cisco fixed a critical flaw in the Identity Services Engine (ISE) that could allow unauthenticated attackers to conduct malicious actions. A vulnerability tracked as CVE-2025-20286 (CVSS score 9.9) in cloud deployments of Cisco ISE on AWS, Microsoft Azure, and Oracle Cloud Infrastructure allows unauthenticated remote attackers to access sensitive data, perform limited administrative actions, modify…

Critical flaw in Cisco ISE impacts cloud deployments on AWS, Microsoft Azure, and Oracle Cloud Infrastructure

Cisco fixed a critical flaw in the Identity Services Engine (ISE) that could allow unauthenticated attackers to conduct malicious actions. A vulnerability tracked as CVE-2025-20286 (CVSS score 9.9) in cloud deployments of Cisco ISE on AWS, Microsoft Azure, and Oracle Cloud Infrastructure allows unauthenticated remote attackers to access sensitive data, perform limited administrative actions, modify…

Critical flaw in Cisco ISE impacts cloud deployments on AWS, Microsoft Azure, and Oracle Cloud Infrastructure

Cisco fixed a critical flaw in the Identity Services Engine (ISE) that could allow unauthenticated attackers to conduct malicious actions. A vulnerability tracked as CVE-2025-20286 (CVSS score 9.9) in cloud deployments of Cisco ISE on AWS, Microsoft Azure, and Oracle Cloud Infrastructure allows unauthenticated remote attackers to access sensitive data, perform limited administrative actions, modify…

Critical Cisco ISE Auth Bypass Flaw Impacts Cloud Deployments on AWS, Azure, and OCI

Cisco has released security patches to address a critical security flaw impacting the Identity Services Engine (ISE) that, if successfully exploited, could allow unauthenticated actors to carry out malicious actions on susceptible systems. The security defect, tracked as CVE-2025-20286, carries a CVSS score of 9.9 out of 10.0. It has been described as a static…

Vibe coding is here to stay. Can it ever be secure? 

Software powers the world, and soon, the bulk of the work making it may be done by machines. As generative AI tools have gotten more proficient at coding, their use in software development has exploded. Proponents say the tools have made it dramatically easier for individual entrepreneurs or companies to create the kind of slick,…

Vibe coding is here to stay. Can it ever be secure? 

Software powers the world, and soon, the bulk of the work making it may be done by machines. As generative AI tools have gotten more proficient at coding, their use in software development has exploded. Proponents say the tools have made it dramatically easier for individual entrepreneurs or companies to create the kind of slick,…

Vibe coding is here to stay. Can it ever be secure? 

Software powers the world, and soon, the bulk of the work making it may be done by machines. As generative AI tools have gotten more proficient at coding, their use in software development has exploded. Proponents say the tools have made it dramatically easier for individual entrepreneurs or companies to create the kind of slick,…