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week in review
Week in review: Fortibleed campaign’s impact on orgs, Cisco Unified CM flaw exploited

Here’s an overview of some of last week’s most interesting news, articles, interviews and videos: Encrypted DNS still tells an eavesdropper where to look Encrypted DNS runs …

Help Net Security
Proof’s x401 establishes an open protocol for AI agent identity and authorization

Proof has launched x401, an open, issuer-neutral protocol that lets any website or API ask for and verify the identity behind agents. With x401, a service can ask for the …

open source
Critical open-source projects get a new security framework

Open source software projects are getting a new framework for handling security vulnerabilities as AI shortens the time between flaw discovery and exploitation. The Linux …

Synology
Synology issues critical fix for MailPlus Server vulnerabilities

Synology has has fixed critical vulnerabilities in MailPlus Server, a software package used to run private email infrastructure on Synology NAS devices. The security update …

ransomware
Ransomware gangs find Europe’s weakest link in third-party suppliers

Ransomware attacks against European organizations increased during the first months of 2026, with third-party suppliers becoming a major entry point for attackers. Black Kite …

Microsoft 365 phishing
Mirage2FA phishing kit uses HTML smuggling to steal Microsoft 365 credentials

Mirage2FA, a phishing kit that combines short-lived HTML smuggling with obfuscated JavaScript loaders to deliver fake Microsoft 365 login pages and steal credentials during …

malware
Mystery hackers use novel SharkLoader dropper against governments, software devs

Kaspersky researchers have uncovered a previously unknown cyberattack campaign that has compromised government organizations and software development companies in multiple …

cybercrime
SIM-swapping gang busted in international police operation

Officers from Poland’s Central Bureau for Combating Cybercrime (CBZC) arrested four suspected members of an organized cybercrime group accused of SIM swap attacks, …

Help Net Security
ZeroTier Quantum RC2 brings post-quantum security closer to general availability

ZeroTier has announced the release candidate 2 (RC2) for ZeroTier Quantum, its end-to-end quantum-secure networking platform. This milestone marks the final testing phase, …

Help Net Security
ThreatModeler introduces Nexus to automate threat modeling with AI governance

ThreatModeler has announced the general availability of ThreatModeler Nexus, an agentic threat modeling platform that brings governed, architecture-aware security to the way …

Windows 10
Microsoft gives Windows 10 users an unexpected extra year of free security updates

Microsoft has given Windows 10 users another year of free security updates, extending its consumer Extended Security Updates (ESU) program until October 12, 2027. “Windows 10 …

CISO
A privacy-first take on local malware analysis

Submitting a suspicious file to VirusTotal or MalwareBazaar places a copy of that file on a platform other people can search. Analysts across the industry rely on these …

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