Articles
Vect 2.0: An Insider Perspective On The New Ransomware Variant
An insider look at Vect 2.0, a rapidly emerging ransomware-as-a-service operation that has gone from forum post to full-fledged platform in a matter of months. We walk through the affiliate panel, commission structure, and the technical capabilities of its Windows and ESXi lockers.
Apr 24 - 18 Min Read
Pay2Key Iranian-Linked Ransomware is Back, Back Again
In late February, Beazley Security's Incident Response team responded to a ransomware intrusion at a U.S. healthcare organization attributed to Pay2key, an Iranian government-linked threat actor that has operated since 2020. Upon investigation, the attacker had maintained access to a compromised admin account for several days before deploying ransomware and encrypting the environment within three hours.
Mar 24 - 25 Min Read
Chasing a Ghost : PXA Stealer Part 2
A follow-up to a previous article on LoneNone and his PXA Stealer malware where we detail some rare insights into the malware author's back-end operations and the evolution of their capabilities.
Oct 30 - 17 Min Read
Quantum Redirect: Offense by Vibes
When you send phishing campaigns to a security company, you really shouldn't ask LLMs to build your infrastructure.
Oct 27 - 26 Min Read
Ghost in the Zip | New PXA Stealer and Its Telegram-Powered Ecosystem
Beazley Security Labs and SentinelLabs collaborated to investigate a complex delivery & execution chain leading to PXA Stealer
Aug 4 - 19 Min Read
Advisories
Critical Remote Code Execution Vulnerability in FortiClient EMS Under Active Exploitation (CVE-2026-21643)
On April 13th, CISA added a critical remote code execution vulnerability in FortiClient Enterprise Management Server to its Known Exploited Vulnerability (KEV) database. The vulnerability is being tracked as CVE-2026-21643 and is under active exploitation.
Apr 13 - 3 Min Read
Critical Auth Bypass Vulnerability in FortiClient EMS Under Active Exploitation (CVE-2026-35616)
On April 6th, CISA added a critical remote code execution vulnerability in FortiClient Enterprise Management Server to its Known Exploited Vulnerability (KEV) database. The vulnerability is being tracked as CVE-2026-35616 and is under active exploitation.
Apr 6 - 3 Min Read
Critical Vulnerabilities in Progress ShareFile (CVE-2026-2699, CVE-2026-2701)
On April 2nd, 2026, the cybersecurity research company watchTowr publicly disclosed a proof-of-concept exploit for two critical vulnerabilities (CVE-2026-2699 and CVE-2026-2701) affecting Progress ShareFile. When chained together, these vulnerabilities allow an unauthenticated attacker to bypass authentication and achieve remote code execution (RCE) on targeted systems.
Apr 2 - 4 Min Read
Critical Supply Chain Attack of NPM Package Axios
On March 30th, An NPM supply chain attack was performed on the widely used NPM package Axios. Axios is one of the most ubiquitous JavaScript libraries. The attack involves a malicious cross-platform Remote Access Trojan (RAT) to macOS, Windows, and Linux systems.
Mar 30 - 2 Min Read
Critical Vulnerability Under Active Exploitation in F5 BIG-IP APM (CVE-2025-53521)
On March 28th, F5 published an advisory updating the severity of a previously reported vulnerability in BIG-IP APM (CVE-2025-53521) to a CVSS score of 9.8. Initially classified as a denial-of-service (DoS) vulnerability, it was discovered that the bug was instead being actively used for remote code execution (RCE). BIG-IP devices are commonly deployed on network perimeters, so successful compromise can provide threat actors initial access into an organization’s network.
Mar 30 - 2 Min Read