Libraesva ESG Vulnerability Allows Attackers to Execute Malicious Commands

A critical command injection vulnerability in Libraesva ESG email security gateways has been discovered, allowing attackers to execute arbitrary commands through specially crafted compressed email attachments. The vulnerability, designated CVE-2025-59689, affects versions starting from 4.5 and has already been exploited…

Hackers Exploit GitHub Notifications to Launch Phishing Attacks

Cybersecurity researchers have uncovered a new phishing campaign that exploits GitHub’s official notification system to deliver malicious links and credential-stealing payloads. By capitalizing on the trust that open-source contributors place in GitHub’s communication channels, cybercriminals are able to bypass traditional…

Fake Job Offers Used to Deliver Advanced Malware Targeting Job Seekers

Iranian threat actors are exploiting job seekers’ aspirations through sophisticated fake recruitment campaigns designed to deploy advanced malware across Europe’s critical infrastructure sectors. The attack methodology demonstrates remarkable operational security and state-sponsored tradecraft characteristics. Nimbus Manticore, also known as UNC1549…

Review: Practical Purple Teaming

Practical Purple Teaming is a guide to building stronger collaboration between offensive and defensive security teams. The book focuses on how to design and run effective purple team exercises that improve detection and response and strengthen trust between teams. About…