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Krebs on Security APT

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

Krebs on Security Vulnerability

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

Krebs on Security Vulnerability

A Record-Breaking Patch Tuesday for June 2026

Microsoft today released software updates to plug nearly 200 security holes across its Windows operating systems and supported software, a record number of fixes for the company's monthly Patch Tuesday cycle. Nearly three dozen of those bugs earned Microsoft's most dire "critical

Krebs on Security Malware

Who Runs the Ransomware Group ‘The Gentlemen?’

A cybercrime group known as The Gentlemen has emerged as the second most active ransomware gang by victim count, rapidly attracting a talented pool of hackers through an aggressive recruitment strategy that promises affiliates 90 percent of any ransom paid by victims. This post e

Krebs on Security Malware

‘Popa’ Botnet Linked to Publicly-Traded Israeli Firm

For the past four years, a sprawling Android-based botnet called Popa has forced millions of consumer TV boxes to relay Internet traffic linked to advertising fraud, account takeovers, and mass data-scraping efforts. This week, researchers from multiple security firms concluded t

Krebs on Security General

Scattered Spider Hackers Plead Guilty on Day 1 of Trial

Two men pleaded guilty in the United Kingdom this week to criminal charges stemming from an August 2024 cyberattack that crippled Transport for London, the entity responsible for the public transport network in the Greater London area. The duo were key members of a prolific cyber

Krebs on Security Malware

FBI Seizes NetNut Proxy Platform, Popa Botnet

The Federal Bureau of Investigation (FBI) said today it worked with industry partners to seize hundreds of domains associated with NetNut, a sprawling residential proxy service operated by the publicly-traded Israeli company Alarum Technologies [NASDAQ: ALAR]. The action comes ro

Krebs on Security Vulnerability

Felons, Fraudsters Flog Offensive Cybersecurity Startup

A cybersecurity startup dangling millions of dollars to acquire zero-day security vulnerabilities in popular software is run by a pair of far-right conspiracy theorists and convicted felons whose most recent ventures included fake intelligence companies and a now-defunct AI-based

Krebs on Security Data Breach

Lessons Learned from CISA’s Recent GitHub Leak

The Cybersecurity and Infrastructure Security Agency (CISA) has issued a postmortem on a data leak in which a contractor published dozens of internal CISA credentials -- including AWS Govcloud keys -- in a public GitHub repository for almost six months before being notified by Kr

Krebs on Security Vulnerability

Microsoft Patches a Record 570 Security Flaws

Microsoft Corp. today released software updates to plug at least 570 security holes in its Windows operating systems and other software, almost triple the number of vulnerabilities the software giant fixed in its record-smashing Patch Tuesday release last month. Microsoft attribu

Dark Reading Vulnerability

NIST Enrichment Reductions Impact CVE Coverage, Accuracy

The National Institute of Standards and Technology (NIST) scaled back the number of CVEs it selects for in-depth analysis, but the move has produced mixed results, according to researchers.

Dark Reading General

AI-Generated Workflows Are a Silent Security Disaster

Teams are dealing with a truly dangerous problem — automation that works, but that no one understands.

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