Ciber
Chinese APT deploys new malware to keep access to hacked networks
A Chinese espionage group tracked as UNC5221 has been accessing Microsoft 365 environments using the Brickstorm backdoor and previously undocumented malware named Plenet and AgentPSD. [...]
Dark web Nemesis Market vendor gets 26 years for selling drugs
A California man was sentenced to more than 26 years in federal prison for trafficking fentanyl and methamphetamine through Nemesis Market, one of the world's largest dark web marketplaces. [...]
Over 900 US gas station tank gauge systems exposed to attacks
Over 900 automatic tank gauge (ATG) systems across the United States, used to monitor fuel and chemical storage tanks across various critical infrastructure sectors, have been found exposed online and are vulnerable to ongoing attacks. [...]

Adaptive, Agentic AI Worms Loom as Next Enterprise Threat
AI worms, or "viruses with wings and brains," adapt to new environments, seek out vulnerabilities, and will likely strike within a year, researchers say.
What 2026 DBIR Confirms: Attacks Are Living in the Browser
Phishing, shadow AI, malicious extensions, and credential theft increasingly happen inside the browser. Keep Aware explains what the 2026 Verizon DBIR reveals about browser-layer security gaps and modern attacks. [...]

Trump AI Order Seeks Voluntary Frontier Model Testing
The White House's executive order establishes voluntary framework for early government access to frontier models while investing in federal security.
Cisco warns of unpatched SD-WAN zero-day exploited in attacks
On Thursday, Cisco warned of a high-severity, unpatched zero-day in the Cisco Catalyst SD-WAN Manager (tracked as CVE-2026-20245) actively exploited in attacks enabling root privilege escalation. [...]

Rust-Written IronWorm Hits NPM Supply Chain
Like Shai-Hulud, the campaign targets developers to steal credentials and reuses them to propagate across the software supply channel.
Brave Software releases Origin for a paid, bloat-free browsing experience
Brave has announced the public release of Brave Origin, a paid minimalist version of its browser that strips out cryptocurrency, AI, rewards, and other monetization-focused features. [...]
Hola Browser for Windows compromised to deliver cryptominer
The Windows version of the Hola Browser has been compromised in a supply chain attack that delivered an undeclared executable identified by researchers as a cryptocurrency miner. [...]

China's TA4922 Expands Cybercrime Attacks Globally
One of the world's most diverse, least-focused cybercrime groups is enlarging its footprint beyond East Asia.

4 Critical Threats Where Attackers Have the Advantage
Gartner analysts issued a call to action to bolster defenses against several emerging critical threats, such as deepfakes and prompt injections.
Credit card theft campaign abuses Stripe to host stolen payment info
A new Magecart campaign is using Stripe's API infrastructure to host the credit card-stealing payload and the data exfiltrated from checkout pages. [...]

Bugcrowd Launches EU Data Residency Option For Evolving Data Sovereignty Needs
Organizations are growing serious about what nation’s rules apply to their data. Experts point to geopolitical tensions as a main contributing factor.

Pakistan Spies on Afghan Finance Ministry With Xeno RAT
Despite broadly connected digital infrastructure, standard fare TTPs are enough to cause trouble for Afghanistan's porous cybersecurity.

Attackers Use AI to Automate EDR Evasion Testing
Python scripts were used to test malware against endpoint detection and response agents from Sophos, CrowdStrike, and Windows Defender.

Hackers Used Meta’s AI Support Bot to Seize Instagram Accounts
The Instagram accounts for the Obama White House and the Chief Master Sergeant of the U.S. Space Force were briefly defaced with pro-Iranian images and messages over the weekend, after instructions began circulating on Telegram showing how to trick Meta's "AI support assistant" b

Netherlands Seizes 800 Servers, Arrests 2 for Aiding Cyberattacks
Authorities in the Netherlands have arrested the co-owners of two related Internet hosting companies for operating IT infrastructure used by Russia to carry out cyberattacks, influence operations and disinformation campaigns inside the European Union. The two men were the focus o

Lawmakers Demand Answers as CISA Tries to Contain Data Leak
Lawmakers in both houses of Congress are demanding answers from the U.S. Cybersecurity & Infrastructure Security Agency (CISA) after KrebsOnSecurity reported this week that a CISA contractor intentionally published AWS GovCloud keys and a vast trove of other agency secrets on a p

Alleged Kimwolf Botmaster ‘Dort’ Arrested, Charged in U.S. and Canada
Canadian authorities on Wednesday arrested a 23-year-old Ottawa man on suspicion of building and operating Kimwolf, a fast spreading Internet-of-Things botnet that enslaved millions of devices for use in a series of massive distributed denial-of-service (DDoS) attacks over the pa

CISA Admin Leaked AWS GovCloud Keys on Github
Until this past weekend, a contractor for the Cybersecurity & Infrastructure Security Agency (CISA) maintained a public GitHub repository that exposed credentials to several highly privileged AWS GovCloud accounts and a large number of internal CISA systems. Security experts said
Patch Tuesday, May 2026 Edition
Artificial intelligence platforms may be just as susceptible to social engineering as human beings, but they are proving remarkably good at finding security vulnerabilities in human-made computer code. That reality is on full display this month with some of the more widely-used s

Canvas Breach Disrupts Schools & Colleges Nationwide
An ongoing data extortion attack targeting the widely-used education technology platform Canvas disrupted classes and coursework at school districts and universities across the United States today, after a cybercrime group defaced the service's login page with a ransom demand tha

Anti-DDoS Firm Heaped Attacks on Brazilian ISPs
A Brazilian tech firm that specializes in protecting networks from distributed denial-of-service (DDoS) attacks has been enabling a botnet responsible for an extended campaign of massive DDoS attacks against other network operators in Brazil, KrebsOnSecurity has learned. The firm