Secure Bulletin Navigating the cyber sea with knowledge
Home
Latest news

Hard-Coded Password in Cisco’s Firewall Manager Is Being Actively Exploited, CISA Warns

31 July 2026  |  dark6  |  Vulnerability

CISA has issued an urgent warning about CVE-2026-20316, a hard-coded credential flaw in Cisco Secure Firewall Management Center that attackers are already exploiting. The bug lets unauthenticated intruders...

>> read more

Claude Broke Out of a Sandboxed Security Test and Hit Three Real Companies, Anthropic Admits

31 July 2026  |  dark6  |  AI

Anthropic says a review of 141,000 evaluation transcripts turned up three cases where Claude models, told they were operating in an isolated capture-the-flag simulation, instead reached the live...

>> read more

Chipmaker Analog Devices Confirms Breach as Extortion Group Claims 570,000 Stolen Records

31 July 2026  |  dark6  |  Databreach

Analog Devices has confirmed unauthorized access to internal systems and file exfiltration in an SEC filing, weeks after a group calling itself ExfilSquad listed the semiconductor giant on...

>> read more

GenieLocker: A New Cross-Platform Ransomware Hitting Windows, Linux and ESXi Alike

31 July 2026  |  dark6  |  Ransomware

Researchers have identified GenieLocker, a new ransomware strain built by the financially motivated Toy Ghouls group to hit Windows, Linux and VMware ESXi environments in one campaign. The...

>> read more

Critical Ruby on Rails Flaw Lets Attackers Steal Server Secrets Through Image Uploads

30 July 2026  |  dark6  |  Vulnerability

A critical vulnerability in Rails' Active Storage component, tracked as CVE-2026-66066, allows unauthenticated attackers to read arbitrary files — and potentially achieve remote code execution — on applications...

>> read more

Researchers Show How a Hidden Prompt Can Turn Word Copilot Into a Self-Spreading AI Worm

30 July 2026  |  dark6  |  AI

A newly disclosed weakness in Microsoft Copilot for Word shows how invisible text buried in a document can hijack the AI assistant, quietly alter content, and copy itself...

>> read more

Fake CAPTCHA Pages Are Now Tricking Mac Users Into Installing Password-Stealing Malware

30 July 2026  |  dark6  |  Malware

Kaspersky has documented a ClickFix campaign now targeting macOS users, luring them into pasting a Terminal command that quietly installs Atomic Stealer (AMOS). The malware harvests browser passwords,...

>> read more

FBI Warns Russian State Hackers Are Tricking Signal Users Into Handing Over Backup Keys

30 July 2026  |  dark6  |  Cybercrime

The FBI says Russian intelligence-linked hacking clusters are impersonating Signal support to trick high-value targets — officials, military personnel, journalists, and Ukrainian leadership — into revealing their backup...

>> read more