Geek Guy

Category: Global Security News

Cisco FMC static credentials exploited by attackers (CVE-2026-20316)

A static credentials vulnerability (CVE-2026-20316) in Cisco Secure Firewall Management Center (FMC), a platform for centrally managing multiple Cisco Secure Firewall devices across a network, is being leveraged by attackers, CISA warned. Two FMC flaws, one indicator of compromise CVE-2026-20316, reported by Jimi Sebree of Horizon3.ai, is found in the FMC software’s web interface. The…

Hackers Exploit AnySign4PC via Hacked Korean Sites to Install Backdoors Without Prompts

South Korean authorities and four security firms have disclosed a state-sponsored campaign that compromised trusted domestic websites. The attackers used those sites to exploit locally installed financial-security software and infect targeted visitors with SIGNBT or COPPERHEDGE backdoors. A compromised page could infect a system running a vulnerable AnySign4PC version without a prompt or

SilverFox Targets Japanese Manufacturer with 3-Driver BYOVD Chain and ValleyRAT

The Chinese cybercrime group known as Silver Fox has been observed using new drivers as part of bring your own vulnerable driver (BYOVD) attacks targeting a Japanese organization in the industrial manufacturing sector to ultimately deliver ValleyRAT (aka Winos 4.0) for persistent remote access. “In this campaign, the group combines new vulnerable-driver abuse, newly observed…

Black Hat special: Rewind and revisit

Cybersecurity is rarely a straight line. In this special Black Hat edition of Humans of Talos, Amy looks back at the incredible journeys that brought past guests to the world of threat intelligence. From forensic labs and newsrooms to the kitchen line, we’re revisiting the stories and lessons that define the people behind the threat…

U.S. CISA adds a Cisco Secure Firewall Management Center (FMC) flaw to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds a Cisco Secure Firewall Management Center (FMC) flaw to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure Security Agency (CISA) added a Cisco Secure Firewall Management Center (FMC) flaw, tracked as CVE-2026-20316 (CVSS score of 5.3), to its Known Exploited Vulnerabilities (KEV) catalog. CVE-2026-20316 is a…

A Scattered Spider member was indicted. Microsoft’s GDID went to trial.

A recently released criminal complaint against Peter Stokes, an alleged member of the Scattered Spider cybercrime group, reveals previously unpublicized details about Windows telemetry. Microsoft has never exactly had a reputation for being privacy-focused, however the complaint reveals the important part played by Microsoft’s Global Device Identifier (GDID), a persistent identifier tied to a Windows…

Russian Hackers Exploit Microsoft OWA Flaw to Keep Mailbox Access After Credential Rotation

The Russian threat actors recently linked to the exploitation of a now-patched vulnerability in Zimbra have been observed exploiting another vulnerability, this time in Microsoft Outlook Web Access (OWA), to target U.S. and European government entities, as well as the telecommunications, financial, hospitality, and aerospace sectors. The activity, which began on July 22, 2026, involves…

FCC Blocks New Foreign-Produced Robots and Power Inverters Over Cyber Risks

The Federal Communications Commission (FCC) added foreign-produced mobile robots and networked power inverters to its Covered List on July 28. The move generally prevents new models from receiving the equipment authorization required for import, marketing, or sale in the US. Previously authorized models can still be sold, and devices people already own are unaffected. Federal…

Threat Coverage Digest: New TI Report, Threat Research and 750+ Detection Rules

July brought another set of threat coverage updates designed to help security teams work faster and with more confidence. ANY.RUN added 42 behavior signatures, 11 YARA rules, and 703 Suricata rules, giving SOCs broader visibility across files, malware behavior, and network activity.  We also published new threat intelligence and technical research on active malware and phishing campaigns.…

Top companies to visit at Black Hat USA 2026

Black Hat USA 2026 returns to Mandalay Bay with a re-engineered six-day program designed to spark innovation, challenge assumptions, and unite the global security community. The event opens with four days of immersive, expert-led Trainings (August 1-4), continues with Summit Day on Tuesday, August 4, and closes with a two-day main conference featuring Briefings, open-source…

Cisco FMC Zero-Day Actively Exploited, Static Credentials Could Expose Sensitive Data

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Wednesday added a newly disclosed security flaw impacting Cisco Secure Firewall Management Center (FMC) Software to its Known Exploited Vulnerabilities (KEV) catalog, following reports of zero-day exploitation. The vulnerability, assigned CVE-2026-20316 (CVSS score: 5.3), could permit an unauthenticated, remote attacker to log

Product showcase: Dashlane Password Manager is more security toolkit than password vault

Dashlane is a password manager for individuals and families that stores passwords, passkeys, payment cards, personal information and secure notes in an encrypted vault. It also includes a password generator, password health reports, an authenticator, credential sharing, dark web monitoring and phishing protection. The service is available on Windows, macOS, Linux (web app), Android, iPhone…

Exposed credentials are giving attackers a head start many organizations don’t see

Compromised credentials can remain active long after passwords are created, leaving organizations trying to identify exposed accounts before attackers can use them. The 2026 Credential Risk Report from Enzoic shows growing awareness of the problem, but monitoring and response capabilities continue to lag. Even with MFA deployed, which credential-related risks remain a concern for your…

CISA unveils a six-step blueprint for isolating critical infrastructure during cyberattacks

Most IT operators understand that critical infrastructure should be isolated in crisis situations, but many don’t know how to do it in a way that maximizes security and minimizes disruption. Now, several global agencies are offering a step-by-step action plan, CI Fortify. Released by the US Cybersecurity and Infrastructure Security Agency (CISA) and several Five…

Cybersecurity Essentials for International Travelers: Protecting Your Digital Life on the Move

In this post, I will talk about cybersecurity essentials for International travelers and protecting your digital life on the move. Traveling internationally has never been easier, but staying digitally secure has become increasingly challenging. Whether you’re a business traveler, digital nomad, remote worker, or vacationer, your devices contain valuable personal and financial information that cybercriminals…

Amazon identifies North Korean hacker group behind open-source supply chain attacks

Amazon is sharing new findings about how a threat actor linked to the Democratic People’s Republic of Korea (DPRK) is targeting open source software libraries, the shared building blocks that companies around the world use to develop applications. Amazon Threat Intelligence has linked several recent compromises of popular Node Package Manager (NPM) libraries to the…