Latest cybersecurity reporting from selected sources.

After gaining a foothold in thousands of Fortinet firewalls, the attackers are starting to monetize that access, and are also piling on a Nextcloud zero-day bug.

Notorious ransomware group Interlock has been exploiting a Cisco zero-day bug since January, AWS says

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.…

The Interlock ransomware gang has been exploiting a maximum severity remote code execution (RCE) vulnerability in Cisco's Secure Firewall Management Center (FMC) software in zero-day attacks since late January. [...]

Amazon Threat Intelligence is warning of an active Interlock ransomware campaign that's exploiting a recently disclosed critical security flaw in Cisco Secure Firewall Management Center (FMC) Software

SonicWall says that recent Akira ransomware attacks exploiting Gen 7 firewalls with SSLVPN enabled are exploiting an older vulnerability rather than a zero-day flaw. [...]

Akira Ransomware Exploited MFA-Protected SonicWall SSL VPNs, Say ResearchersSonicWall said it is probing a surge in attacks against its Gen 7 firewalls, running various firmware versions, which have SSL VPN enabled. Researchers said attackers may have been exploiting a zero-day vulnerability and that multiple victims have been infected with Akira ransomware.

SonicWall said it's actively investigating reports to determine if there is a new zero-day vulnerability following reports of a spike in Akira ransomware actors in late July 2025

Bypassing MFA and deploying ransomware…sounds like something that rhymes with 'schmero-day' SonicWall on Monday confirmed that it's investigating a rash of ransomware activity targeting its firewall devices, following multiple reports of a zero-day bug under active exploit in its VPNs.…

An uptick of ransomware activity by the group in late July that uses the vendor's SSL VPN devices for initial intrusion shows evidence of an as-yet-undisclosed flaw under exploitation.

Ransomware 'not off the table,' Arctic Wolf threat hunter tells El Reg Miscreants running a "mass exploitation campaign" against Fortinet firewalls, which peaked in December, may be using an unpatched zero-day vulnerability to compromise the equipment, according to security researchers who say they've observed the intrusions.…

Also sanctions his employer – an outfit called Sichuan Silence linked to Ragnarok ransomware The US Departments of Treasury and Justice have named a Chinese business and one of its employees as the actors behind the 2020 exploit of a zero-day flaw in Sophos firewalls…