Proxmox Mail Gateway: Open-source email security solution reaches version 9.0

First released in 2005, the open-source Proxmox Mail Gateway has become a widely adopted mail proxy, positioned between the firewall and the internal mail server to stop threats before... Read more »

CISA Sounds Alarm on Critical Sudo Flaw Actively Exploited in Linux and Unix Systems

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a critical security flaw impacting the Sudo command-line utility for Linux and Unix-like operating systems to its Known... Read more »

Old authentication habits die hard

Many organizations still rely on weak authentication methods while workers’ personal habits create additional risks, according to Yubico. Training and policy gaps 40% of employees said they have never... Read more »

Phishing is old, but AI just gave it new life

The volume of cyberattacks has reached staggering levels, with new tactics that blur the line between legitimate and malicious activity. A new threat report from Comcast, based on 34.6... Read more »

Ghost in the Cloud: Weaponizing AWS X-Ray for Command & Control

Attackers can weaponize AWS X-Ray as a covert bidirectional C2 channel, abusing legitimate cloud tracing infrastructure for C2. Summary & Background: Before we get started, if you haven’t had... Read more »

Security Affairs newsletter Round 544 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new... Read more »

SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 65

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Smash and Grab: Aggressive Akira Campaign Targets SonicWall... Read more »

Week in review: Many Cisco ASA firewalls still unsecure, hackers claim Red Hat’s GitLab breach

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Keeping the internet afloat: How to protect the global cable network The resilience of... Read more »

GreyNoise detects 500% surge in scans targeting Palo Alto Networks portals

GreyNoise saw a 500% spike in scans on Palo Alto Networks login portals on Oct. 3, 2025, the highest in three months. Cybersecurity firm GreyNoise reported a 500% surge... Read more »

U.S. CISA adds Smartbedded Meteobridge, Samsung, Juniper ScreenOS, Jenkins, and GNU Bash flaws to its Known Exploited Vulnerabilities catalog

U.S. Cybersecurity and Infrastructure Security Agency (CISA) adds Smartbedded Meteobridge, Samsung, Juniper ScreenOS, Jenkins, and GNU Bash flaws to its Known Exploited Vulnerabilities catalog. The U.S. Cybersecurity and Infrastructure... Read more »
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