Latest cybersecurity reporting from selected sources.

A Go botnet called NadMesh turned up in early July hunting exposed AI services, and the operator's own dashboard claims 3,811 unique AWS keys

A Russian-speaking initial access broker (IAB) driven by financial gain is assessed to be behind a large-scale credential-harvesting operation known as FortiBleed that has targeted over 430,000 FortiGate firewalls globally

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) urged Fortinet customers to secure their devices after nearly 74,000 firewall and VPN credentials were exposed in a data leak dubbed "FortiBleed." [...]

A newly discovered data leak dubbed "FortiBleed" has exposed what appears to be a collection of Fortinet and FortiGate VPN credentials for 73,932 firewall URLs at organizations worldwide. [...]

Interlock's post-exploit toolkit exposed Ransomware criminals exploited CVE-2026-20131, a maximum-severity bug in Cisco Secure Firewall Management Center software, as a zero-day vulnerability more than a month before Cisco patched the hole, according to Amazon security boss CJ Moses.…

Lawsuit Claims SonicWall Cloud Backup Flaw Led to Ransomware Attack Against MarquisMarquis Software Solutions has sued SonicWall alleging a cloud backup data breach exposed firewall configuration files, including credentials and multifactor authentication scratch codes. The firm says the breach enabled an August 2025 ransomware attack and triggered dozens of class action lawsuits.

Off-the-shelf tools helped Russian-speaking cybercrime group run riot Cybercriminals armed with off-the-shelf generative AI tools compromised more than 600 internet-exposed FortiGate firewalls across 55 countries in just over a month, according to a new incident report from AWS.…

Over 10,000 Internet-exposed Fortinet firewalls are still vulnerable to attacks exploiting a five-year-old two-factor authentication (2FA) bypass vulnerability. [...]

Over 115,000 WatchGuard Firebox devices exposed online remain unpatched against a critical remote code execution (RCE) vulnerability actively exploited in attacks. [...]

Newly disclosed vulnerability already being abused, users urged to lock down exposed firewalls WatchGuard is in emergency patch mode after confirming that a critical remote code execution flaw in its Firebox firewalls is under active attack.…

CISA Says Agencies Believed They Patched Cisco Flaws But Had NotThe U.S. cyber defense agency issued new patch guidance after discovering multiple federal agencies failed to properly secure Cisco firewalls, leaving federal networks exposed to exploitation by a suspected Chinese threat actor despite a prior emergency directive.

SonicWall has formally implicated state-sponsored threat actors as behind the September security breach that led to the unauthorized exposure of firewall configuration backup files

SonicWall's investigation into the September security breach that exposed customers' firewall configuration backup files concludes that state-sponsored hackers were behind the attack. [...]

Roughly 48,800 Cisco Adaptive Security Appliance (ASA) and Firewall Threat Defense (FTD) appliances exposed on the public web are vulnerable to two vulnerabilities actively leveraged by hackers. [...]

50,000 firewall devices still exposed Nearly 50,000 Cisco ASA/FTD instances vulnerable to two bugs that are actively being exploited by "advanced" attackers remain exposed to the internet, according to Shadowserver data.…

Threat actors breached the MySonicWall service and accessed backup firewall configuration files belonging to "fewer than 5%" of its install base, according to the company.

SonicWall is urging customers to reset credentials after their firewall configuration backup files were exposed in a security breach impacting MySonicWall accounts

SonicWall warned customers today to reset credentials after their firewall configuration backup files were exposed in a security breach that impacted MySonicWall accounts. [...]

Exposed RDP ports are an open door for attackers. TruGrid SecureRDP enforces Zero Trust and MFA, blocks lateral movement, and secures remote access—no open firewall ports required. Learn more and get a free trial. [...]

Also: Google Fixes YouTube Vulnerabilities That Could Have Exposed User EmailsThis week: Microsoft, Ivanti and Google release fixes for critical vulnerabilities and urge priority patching; Lee Enterprises confirms a cyberattack disrupted newspaper operations; and thousands of KerioControl Firewalls exposed to critical remote code execution flaws.