Weekly Update 505
24 May 2026 Well, that didn't last long! Recording this on Saturday morning my time, I observed ShinyHunters having gone...
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Claude Mythos AI Finds 10,000 High-Severity Flaws in Widely Used Software
Ravie LakshmananMay 23, 2026Artificial Intelligence / Vulnerability Anthropic on Friday disclosed that Project Glasswing has helped uncover more than 10,000...
Megalodon GitHub Attack Targets 5,561 Repos with Malicious CI/CD Workflows
Cybersecurity researchers have disclosed details of a new automated campaign called Megalodon that has pushed 5,718 malicious commits to 5,561...
Showboat Linux Malware Hits Middle East Telecom with SOCKS5 Proxy Backdoor
Cybersecurity researchers have disclosed details of a new Linux malware dubbed Showboat that has been put to use in a...
Microsoft Disrupts Malware-Signing Service Used by Ransomware Gangs
Microsoft says it disrupted a malware-signing service that abused Azure Artifact Signing to create fraudulent certificates used in ransomware and...
FBI warns students and staff that ShinyHunters may come knocking after Canvas breach
When the FBI puts out a public service announcement that deliberately appears to avoid naming the company at the centre...
Microsoft Warns of Two Actively Exploited Defender Vulnerabilities
Ravie LakshmananMay 21, 2026Endpoint Security / Vulnerability Microsoft has disclosed that a privilege escalation and a denial-of-service flaw in Defender...
Microsoft Takes Down Malware-Signing Service Behind Ransomware Attacks
Microsoft on Tuesday said it disrupted a malware-signing-as-a-service (MSaaS) operation that weaponized the company's Artifact Signing system to deliver malicious...
CISA Contractor Exposed Sensitive Credentials in Public GitHub Repository
The federal agency that tells Americans how to secure their systems is now investigating how sensitive credentials tied to its...
On AI Security
On AI Security Good report: Executive Summary: Let’s say you wanted to make sure that your AI is secure. Can...
Grafana Rejects Ransom Demand After GitHub Breach Exposes Codebase Theft
Grafana has confirmed that an unauthorized party gained access to its GitHub environment after obtaining a compromised token, allowing the...
Drupal to Release Urgent Core Security Updates on May 20, Sites Told to Prepare
Ravie LakshmananMay 19, 2026Vulnerability / Website Security Drupal has issued an alert stating that it intends to release a "core...
WantToCry ransomware remotely encrypts files
SophosLabs analysts investigated WantToCry ransomware attacks that involved the threat actors exploiting SMB for initial access and then exfiltrating files...
Grafana GitHub Token Breach Led to Codebase Download and Extortion Attempt
Ravie LakshmananMay 17, 2026Data Breach / Cybercrime Grafana has disclosed that an "unauthorized party" obtained a token that granted them...
Here’s one career emerging from the AI shift: ‘forward-deployed engineers’
Google currently has 1,513 openings for that specific role and OpenAI, which just this week launched an organization called the...
