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Tag: attackers

Cyber espionage campaign targeted stock exchange executive’s Outlook account

Attackers spent five months silently stealing emails from a stock exchange executive’s Outlook account in a suspected espionage operation. A threat actor quietly sat inside a senior executive’s Outlook account at a major global stock exchange for roughly 150 days, from October 2025 to March 2026. Broadcom’s Symantec and Carbon Black threat-hunting team investigated the…

Instagram Account Hijacks Expose the Security Risks of AI-Powered Support

Attackers exploited Meta’s AI support chatbot to reset Instagram passwords and hijack accounts without accessing victims’ email inboxes. Attackers abused Meta’s AI-powered support chatbot to reset Instagram passwords and hijack accounts without accessing victims’ email inboxes. The issue affected several users, including high-profile accounts, before Instagram fixed the flaw. Security researcher Jane Wong and other…

Google Patches Android Zero-Day Under Active Exploitation 

Google has patched a high-severity Android zero-day vulnerability that attackers have already exploited in the wild.  The issue affects multiple Android releases and serves as a reminder that mobile operating systems remain a valuable target for threat actors seeking access to sensitive enterprise and personal data.  “There are indications that CVE-2025-48595 may be under limited,…

Attackers exploit Palo Alto GlobalProtect flaw days after disclosure

A Palo Alto Networks vulnerability that allows attackers to establish unauthorized VPN access into corporate networks is being actively exploited in the wild, weeks after the company disclosed the flaw as a medium-severity issue and said it was unaware of any attacks. However, according to Rapid7, threat actors began exploiting the bug within days of…

CVE-2026-8732: The WP Maps Pro Flaw That Lets Anyone Create a WordPress Admin Without a Password

CVE-2026-8732 in WP Maps Pro lets unauthenticated attackers create WordPress admin accounts. 2,858 attacks blocked in 24 hours. WP Maps Pro plugin allows WordPress site owners to embed Google Maps and OpenStreetMap with markers, listings, and location search. It’s a store locator tool. Unremarkable. The plugin is installed on over 15,000 websites, according to sale…

CVE-2026-0257: Rapid7 Caught Attackers Abusing Forged VPN Cookies Against Multiple Customers

CVE-2026-0257 lets attackers forge Palo Alto GlobalProtect auth cookies and bypass VPN login. Exploitation confirmed since May 17. Palo Alto Networks addressed the vulnerability CVE-2026-0257 on May 13. Two weeks later, cybersecurity firm Rapid7 confirmed active exploitation across multiple customer environments. The flaw impacts the GlobalProtect portal and gateway components of Palo Alto Networks PAN-OS…

Signal Phishing Campaign Targets Journalists and Activists to Steal Backup Recovery Keys

Attackers are texting Signal users posing as Support, asking for backup recovery keys. Once obtained, they can decrypt the entire message history, not just future chats. A phishing campaign is currently targeting Signal users with text messages that impersonate Signal Support and ask them to hand over their backup recovery key. The message looks urgent,…

New infostealer reaches enterprise devices through FortiClient EMS vulnerability

Attackers are delivering a broad-spectrum infostealer to enterprise computers by exploiting a known vulnerability (CVE-2026-35616) in FortiClient Enterprise Management Server (EMS). “The [malicious] payload was presented as a Fortinet endpoint update and executed through FortiClient-managed VPN scripting workflows,” Arctic Wold researchers noted. About CVE-2026-35616 CVE-2026-35616 is an improper access control vulnerability vulnerability in FortiClient EMS,…

Notepad++ vulnerabilities could enable arbitrary code execution on Windows systems

Two arbitrary code execution vulnerabilities in Notepad++ let local attackers run commands of their choice on Windows machines by tampering with the editor’s XML configuration files, with both flaws rated High at CVSS 7.8. The flaws, tracked as CVE-2026-48778 and CVE-2026-48800, affect every version of the editor up to and including 8.9.6, Notepad++ said in…

What the industrialization of exploitation means for defenders

For decades, cybersecurity was a battle of skill. Elite attackers versus elite defenders. The rules of engagement were understood, even if the playing field wasn’t level. If you hired better analysts and bought better tools, hopefully you hardened your systems well enough and built detection capabilities that wore out the adversary’s patience. That era is…

Fake ChatGPT and Claude installers on GitHub are dropping Deno RAT malware

Attackers are hosting counterfeit installers and plugins on GitHub and SourceForge that pose as widely used software, including ChatGPT, Claude, AutoTune, Kontakt, Ableton Live, and ZENOLOGY. The downloads deliver a backdoor called DinDoor, which then loads a remote access Trojan built on the Deno JavaScript runtime, according to Malwarebytes. Compromised YouTube channels push victims toward…

Microsoft SharePoint Has a New RCE Flaw. If You Haven’t Patched Yet, Go Do That.

A critical vulnerability, tracked as CVE-2026-45659, in Microsoft SharePoint can allow attackers to achieve remote code execution with little effort. Microsoft released security updates to patch a high-severity SharePoint vulnerability, tracked as CVE-2026-45659 (CVSS score of 8.8), that could allow remote code execution. The flaw does not require complex conditions for exploitation, making it a…

Malware Found in Laravel-Lang Composer Packages After Git Tag Poisoning Attack

Attackers have poisoned four Laravel-Lang Composer packages by rewriting hundreds of Git tags, putting many Laravel apps at risk. Hackers compromised four popular Laravel-Lang Composer packages and injected malware by rewriting more than 700 Git tags tied to historical versions. Laravel-Lang is a community-driven project that provides translation and localization files for Laravel applications. The…

Ghost CMS flaw abused to push ClickFix attacks on hundreds of sites

Attackers are exploiting the patched Ghost CMS flaw CVE-2026-26980, compromising over 700 unpatched sites, including universities. Threat actors are actively exploiting a security flaw, tracked as CVE-2026-26980, in Ghost CMS that was fixed months ago in real attacks against unpatched websites. According to Qianxin, the campaign has already affected more than 700 sites, including well-known organizations and…

CVE-2026-9082: Drupal’s Highly Critical SQL Injection Flaw Is Already Under Active Attack

Attackers began exploiting Drupal SQL injection flaw CVE-2026-9082 within 48 hours of patch release. Drupal issued a highly critical security patch on May 20 for CVE-2026-9082, a SQL injection vulnerability that allows unauthenticated attackers to compromise sites running PostgreSQL databases. The project maintainers warned ahead of the release that exploits could surface within hours or…

Attackers are bypassing MFA on SonicWall VPNs because something was wrong with previous fix

Attackers bypassed MFA on patched SonicWall Gen6 VPNs because admins missed extra manual steps required to fully fix the flaw. There is a particular kind of security failure that is harder to catch than an unpatched system: a patched system where the patch did not actually work because nobody followed all the steps. That is…

Cisco fixed maximum severity flaw CVE-2026-20223 in Secure Workload

Cisco fixed a critical Secure Workload flaw (CVE-2026-20223) that could let attackers gain Site Admin privileges through crafted API requests. Cisco released patches for a critical vulnerability, tracked as CVE-2026-20223 (CVSS score of 10.0), in Secure Workload. The flaw stems from insufficient validation and authentication in REST API endpoints. According to Cisco, remote attackers could…

Microsoft Defender vulnerabilities exploited in the wild (CVE-2026-41091, CVE-2026-45498)

Attackers are exploiting two Microsoft Defender vulnerabilities (CVE-2026-41091 and CVE-2026-45498), Microsoft acknowledged and CISA confirmed by adding them to its Known Exploited Vulnerabilities catalog. The vulnerabilities CVE-2026-41091 allows for local privilege elevation (LPE), and is caused by the Microsoft Malware Protection Engine improperly resolving links before accessing files. “An attacker who successfully exploited this vulnerability…

Verizon DBIR: Vulnerability exploitation is the dominant initial access vector

Vulnerability exploitation has overtaken stolen credentials as the most common way attackers gain initial access to target networks, according to the 2026 Verizon Data Breach Investigations Report. This is the first time credential theft has been knocked off the top spot in the report’s 19-year history, the company noted. Known initial access vectors over time…

Microsoft provides mitigation for “YellowKey” BitLocker bypass flaw (CVE-2026-45585)

Microsoft is working on a fix for CVE-2026-45585 (aka “Yellowkey”), a vulnerability that can be used by attackers to bypass protections offered by BitLocker, the full-disk encryption feature built into Windows, and access users’ data. In the meantime, the company has provided step-by-step mitigation advice to protect affected Windows devices from exploitation. CVE-2026-45585 and the…

Attackers hit vulnerabilities hard last year, making exploits the top entry point for breaches

Attackers couldn’t get enough of the vulnerabilities at their disposal last year, making exploits the top initial access vector across more than 22,000 breaches Verizon analyzed in its latest Data Breach Investigations Report released Tuesday. The massive annual study uncovered a surge of exploited vulnerabilities during a one-year period ending in October 2025. Exploited defects…

Microsoft dismantled malware-signing network Fox Tempest

Microsoft disrupted Fox Tempest, a malware-signing-as-a-service (MSaaS) that allowed attackers to sign malware with fake trusted certificates. Microsoft said it disrupted a cybercrime operation run by a threat actor named Fox Tempest, which helped threat actors sign malware with short-lived certificates to make malicious software appear legitimate. The service abused Microsoft Artifact Signing and supported…

Are Attackers Hiding Inside Your Network Traffic?

I believe one of the important shifts in cybersecurity over the past several years is how attackers are hiding in plain sight.  According to the 2026 IP Intelligence Study released by Spur Intelligence, anonymizing infrastructure, such as virtual private networks (VPNs) and residential proxies, are now involved in nearly every modern cyberattack.  These tools allow…

Attackers are exploiting critical NGINX vulnerability (CVE-2026-42945)

A critical NGINX vulnerability (CVE-2026-42945) disclosed last week is being exploited by attackers, VulnCheck security researcher Patrick Garrity revealed on Saturday. The vulnerability, dubbed NGINX Rift, can be reliably exploited to trigger a denial-of-service condition and can potentially allow for unauthenticated remote code execution, all achievable by sending a specially crafted HTTP request to a…

Attackers exploit Funnel Builder bug to inject e-skimmers into e-stores

Attackers are exploiting a critical flaw in the WordPress Funnel Builder plugin to inject skimming code into WooCommerce checkout pages. A critical vulnerability in the WordPress Funnel Builder plugin is being actively exploited to inject malicious JavaScript into WooCommerce checkout pages, according to Sansec researchers. Funnel Builder by FunnelKit is a checkout and upsell plugin…

Cisco zero-day under ongoing attack by persistent threat group

Attackers returned once again to a common target with a massive user base by exploiting a max-severity zero-day vulnerability affecting Cisco Catalyst SD-WAN Controller and Manager. The threat group behind the “limited” number of attacks Cisco is aware of thus far are also linked to a series of previously disclosed vulnerabilities in the vendor’s firewalls…

CVE-2026-42897: Microsoft confirms active exploitation of Exchange Server zero-day

Microsoft warned that attackers are exploiting a new Exchange Server zero-day vulnerability, tracked as CVE-2026-42897, in the wild. Microsoft warned that threat actors are actively exploiting a new Exchange Server zero-day vulnerability tracked as CVE-2026-42897 (CVSS score 8.1). The vulnerability is an improper neutralization of input during web page generation (‘cross-site scripting’) in Microsoft Exchange…

Linux Kernel bug Fragnesia allows local root access attacks

Fragnesia, a new Linux kernel flaw tracked as CVE-2026-46300, could let local attackers gain root access through page cache corruption. Researchers disclosed a new Linux kernel privilege escalation vulnerability named Fragnesia, tracked as CVE-2026-46300 (CVSS score of 7.8). The flaw affects the XFRM ESP-in-TCP subsystem and could allow local attackers to gain full root access…

Over 70% of organizations hit by identity breaches

Attackers rely on stolen credentials, compromised service accounts, and social engineering attacks targeting employees, according to Sophos’ The State of Identity Security 2026 survey. What do you estimate to be the overall cost to your organization to rectify the identity breach? Base: organization could not stop the security breach. n=510. (Source: Sophos) Identity attack trends…

Critical Fortinet vulnerabilities fixed in FortiSandbox and FortiAuthenticator

Fortinet patched critical flaws in FortiSandbox and FortiAuthenticator that could let attackers remotely execute code on unpatched systems. Fortinet addressed two critical vulnerabilities affecting FortiSandbox and FortiAuthenticator. The flaws could allow attackers to execute arbitrary commands or code on unpatched systems. The first vulnerability, tracked as CVE-2026-44277, is an improper access control issue in FortiAuthenticator.…

Attackers exploit cPanel CVE-2026-41940 to deploy Filemanager Backdoor

Attackers are exploiting cPanel flaw CVE-2026-41940 to install the Filemanager backdoor and gain unauthorized admin access. Cybercriminals are actively exploiting the critical cPanel vulnerability CVE-2026-41940 (CVSS score of 9.3) to deploy a backdoor called Filemanager on compromised servers. cPanel is a widely used web hosting control panel that lets users manage websites and servers through a…

Škoda confirms unauthorized access to its online shop

Car manufacturer Škoda discovered that attackers had exploited a vulnerability in its online shop software and gained temporary unauthorized access to the system. What happened? After discovering the incident, the company took the shop offline as a precautionary measure, fixed the vulnerability, referred the incident to a specialized IT forensics team for technical analysis, and…

Ivanti customers confront yet another actively exploited zero-day

Attackers are hitting Ivanti customers yet again — circling back to a common target and consistently susceptible vendor in the network edge space — by exploiting a zero-day vulnerability in one of the company’s most besieged products.  Ivanti warned customers that attackers have successfully exploited CVE-2026-6973, an improper input validation defect in Ivanti Endpoint Manager…

A critical Palo Alto PAN-OS zero-day is being exploited in the wild

Attackers are actively exploiting a zero-day vulnerability affecting some Palo Alto Networks’ customers’ firewalls, the security vendor said in an advisory Tuesday. The critical memory corruption vulnerability — CVE-2026-0300 — affects the authentication portal of PAN-OS, and allows unauthenticated attackers to run  code with root privileges on the vendor’s PA-Series and VM-Series firewalls, the company…

Supply-chain attacks take aim at your AI coding agents

Attackers too are looking to cash in on the AI coding craze, adapting their supply-chain techniques to target coding agents themselves. Many AI agents autonomously scan package registries such as NPM and PyPI for components to integrate into their coding projects, and attackers are beginning to take advantage of this. Bait packages with persuasive descriptions…

Critical Android vulnerability CVE-2026-0073 fixed by Google

Google patched a critical Android flaw (CVE‑2026‑0073) that lets attackers run code remotely without user action. Google released a security update for Android to address a critical remote code execution flaw, tracked as CVE‑2026‑0073, in the System component. The bug allowed attackers to run code as the shell user without needing extra permissions, or any…

Hackers target governments and MSPs via critical cPanel flaw CVE-2026-41940

Attackers exploit a critical cPanel flaw to target government and MSP networks across Southeast Asia and several countries, including the U.S. and Canada. A threat actor is exploiting critical cPanel vulnerability CVE-2026-41940 to target government and military organizations in Southeast Asia, along with MSPs and hosting providers in countries like the Philippines, Laos, Canada, South…

Bank regulator sounds warning over cybersecurity threat posed by AI models

Frontier AI models inspired by Anthropic’s Claude Mythos could arm attackers with advanced capabilities that the banking sector is ill equipped to cope with, Australia’s financial regulator, the Australian Prudential Regulation Authority (APRA), has warned. In a letter addressed to the country’s financial sector this week, the body lays out how the arrival of Claude…

CVE-2026-42208: LiteLLM bug exploited 36 hours after its disclosure

Attackers quickly exploited a critical LiteLLM flaw (CVE-2026-42208) to access and modify sensitive database data via SQL injection. Attackers rapidly exploited a critical vulnerability in LiteLLM Python package, tracked as CVE-2026-42208, just days after it became public. The vulnerability, an SQL injection in the proxy API key verification process, lets attackers access and potentially modify database…

GitHub Flaw Enables Remote Code Execution With a Single Git Push

A vulnerability in GitHub’s infrastructure could have allowed attackers to execute code on backend systems using nothing more than a standard git push command.  The flaw affected both GitHub.com and GitHub Enterprise Server (GHES), exposing millions of repositories to potential compromise before it was patched. “By exploiting an injection flaw in GitHub’s internal protocol, any…

All supported cPanel versions hit by critical auth bug, now patched

cPanel fixed a critical authentication flaw that could let attackers access servers. The issue affects all supported versions. cPanel released security updates to address a critical authentication vulnerability that could allow attackers to gain unauthorized access to its control panel. The flaw affects all supported versions, raising serious risks for exposed servers. cPanel is a…

CISA, Microsoft warn of active exploitation of Windows Shell vulnerability (CVE-2026-32202)

Attackers are exploiting CVE-2026-32202, a zero-click Windows Shell spoofing vulnerability that causes victims’ systems to authenticate the attacker’s server, CISA and Microsoft have warned. About CVE-2026-32202 CVE-2026-32202 stems from an incomplete patch for CVE-2026-21510, a vulnerability that, in conjunction with CVE-2026-21513, has been exploited by APT28 (aka Fancy Bear) via weaponized LNK files that bypass…

CVE-2026-3854 GitHub flaw enables remote code execution

Critical GitHub flaw CVE-2026-3854 lets attackers run code with a single git push, exploiting a command injection bug. Researchers found a critical vulnerability in GitHub, tracked as CVE-2026-3854, that allows remote code execution through a simple git push. The vulnerability affects GitHub Enterprise Cloud, GitHub Enterprise Cloud with Data Residency, GitHub Enterprise Cloud with Enterprise…

Firefox bug CVE-2026-6770 enabled cross-site tracking and Tor fingerprinting

CVE-2026-6770 let attackers fingerprint Firefox and Tor users, even in Private mode. Firefox 150 and Tor Browser 15.0.10 fixed it. A vulnerability, tracked as CVE-2026-6770, allowed attackers to fingerprint Firefox users, even in Private Browsing, and also impacted the Tor Browser. The flaw worked even when Tor’s New Identity feature was used, bypassing protections meant…

New Cisco firewall malware can only be killed by pulling the plug

Suspected state-sponsored attackers are using a custom backdoor to persistently compromise Cisco security devices (firewalls), the US CISA and the UK National Cyber Security Centre warned on Thusday. “The [Firestarter] malware (…) is relevant for both Cisco Firepower and Secure Firewall devices; however, CISA has only observed a successful implant of the malware in the…

GopherWhisper APT group hides command and control traffic in Slack and Discord

Attackers continue to lean on everyday collaboration platforms to hide command and control traffic inside normal enterprise noise. A newly identified China-aligned APT group pushes that trend further, running its operations through Slack workspaces, Discord servers, Outlook drafts, and the file.io sharing service. GopherWhisper toolset overview ESET researchers have named the group GopherWhisper and tied…

Phishing reclaims the top initial access spot, attackers experiment with AI tools

Phishing returned as the leading method attackers used to break into organizations in the first quarter of 2026, accounting for over a third of engagements where initial access could be determined, according to Cisco Talos. It is the first quarter phishing has led the category since Q2 2025, when exploitation of public-facing applications took over…

Attackers abuse Microsoft Teams to impersonate the IT helpdesk in a new enterprise intrusion playbook

Attackers are increasingly exploiting enterprise collaboration platforms such as Microsoft Teams to gain initial access, impersonating IT helpdesk staff and persuading employees to grant remote control, according to new research from Microsoft. In a blog post, Microsoft described a “cross-tenant helpdesk impersonation” technique in which threat actors initiate conversations with employees via Teams’ external access…

Network ‘background noise’ may predict the next big edge-device vulnerability

Attackers rarely exploit an edge-device vulnerability indiscriminately. Typically, they first test how widely the flaw can be used and how much access it can provide, then move on to steal data or disrupt operations. Pre-attack surveillance and planning leaves a lot of noise in its wake. These signals — particularly spikes in traffic that are…

Hidden VMs: how hackers leverage QEMU to stealthily steal data and spread malware

Attackers abuse QEMU to hide malware in virtual machines, bypass detection, steal data, and deploy ransomware without leaving any trace. Sophos researchers report a rise in attackers abusing QEMU, an open-source emulator, to hide malicious activity inside virtual machines. By running malware in a VM, attackers avoid endpoint security controls and leave minimal traces on…

Microsoft Defender under attack as three zero-days, two of them still unpatched, enable elevated access

Attackers exploit three Microsoft Defender zero-days, code-named BlueHammer, RedSun, and UnDefend, to gain elevated access. Attackers are exploiting three recently disclosed zero-day flaws in Microsoft Defender to gain higher privileges on compromised systems. The vulnerabilities, called BlueHammer, RedSun, and UnDefend, were revealed by a researcher known as Chaotic Eclipse after criticizing Microsoft’s handling of the…

Inside ZionSiphon: politically driven malware aims at Israeli water systems

New ZionSiphon malware targets water systems, and allows attackers to alter pressure and chlorine levels. A flaw makes it ineffective for now. Darktrace analyzed ZionSiphon, a new malware designed to target water treatment and desalination systems, which aims to disrupt operations by altering hydraulic pressure and increasing chlorine levels to unsafe levels. The malware combines…

AI platform n8n abused for stealthy phishing and malware delivery

Attackers abuse AI automation platform n8n to run phishing campaigns, deliver malware, and evade security by using trusted infrastructure. Threat actors are exploiting the popular AI workflow automation platform n8n to launch advanced phishing campaigns, deliver malware, and collect device data through automated emails. By using trusted infrastructure, they can bypass traditional security controls and…

Fortinet fixes critical FortiSandbox vulnerabilities (CVE-2026-39813, CVE-2026-39808)

Two vulnerabilities (CVE-2026-39813, CVE-2026-39808) in FortiSandbox could be leveraged by unauthenticated attackers to bypass authentication and execute unauthorized code or commands on vulnerable systems. Both vulnerabilities can be triggered with a specially crafted HTTP request, putting unpatched FortiSandbox deployments at risk. About FortiSandbox FortiSandbox is Fortinet’s security solution for detecting and analyzing advanced threats. It…

UAC-0247 Attack Detection: AGINGFLY Malware Targets Hospitals, Local Governments, and FPV Operators in Ukraine

Phishing remains one of the most effective tactics in the cybercriminal playbook, particularly when attackers exploit urgent humanitarian themes, trusted online resources, and legitimate system tools to increase victim engagement. Europol also notes that phishing continues to serve as a primary delivery vector for data-stealing malware. This pattern is clearly reflected in the latest activity…

CVE-2026-33032: severe nginx-ui bug grants unauthenticated server access

An actively exploited critical nginx-ui flaw (CVE-2026-33032) lets attackers bypass authentication and take full control of Nginx servers. A critical vulnerability in nginx-ui, tracked as CVE-2026-33032 (CVSS score of 9.8), is being actively exploited, allowing attackers to bypass authentication and fully take over Nginx servers. The issue stems from improper protection of the /mcp_message endpoint,…

PHP Composer flaws enable remote command execution via Perforce VCS

Two high-severity flaws in PHP Composer could let attackers run arbitrary commands via malicious repository configs and crafted inputs affecting Perforce VCS. Two high-severity vulnerabilities in PHP Composer could allow attackers to execute arbitrary commands. PHP Composer is a dependency manager for PHP that helps developers install and manage libraries their projects need. By defining…