Brian Krebs

  1. How AI Assistants are Moving the Security Goalposts

    AI-based assistants or "agents" -- autonomous programs that have access to the user's computer, files, online services and can automate virtually any task -- are growing in popularity with developers and IT workers. But as so many eyebrow-raising headlines over the past few weeks have shown, these powerful…

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  2. Who is the Kimwolf Botmaster “Dort”?

    In early January 2026, KrebsOnSecurity revealed how a security researcher disclosed a vulnerability that was used to assemble Kimwolf, the world's largest and most disruptive botnet. Since then, the person in control of Kimwolf -- who goes by the handle "Dort" -- has coordinated a barrage of distributed…

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  3. ‘Starkiller’ Phishing Service Proxies Real Login Pages, MFA

    Most phishing websites are little more than static copies of login pages for popular online destinations, and they are often quickly taken down by anti-abuse activists and security firms. But a stealthy new phishing-as-a-service offering lets customers sidestep both of these pitfalls: It uses cleverly…

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  4. Kimwolf Botnet Swamps Anonymity Network I2P

    For the past week, the massive "Internet of Things" (IoT) botnet known as Kimwolf has been disrupting the The Invisible Internet Project (I2P), a decentralized, encrypted communications network designed to anonymize and secure online communications. I2P users started reporting disruptions in the network…

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  5. Patch Tuesday, February 2026 Edition

    Microsoft today released updates to fix more than 50 security holes in its Windows operating systems and other software, including patches for a whopping six "zero-day" vulnerabilities that attackers are already exploiting in the wild.

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  6. Please Don’t Feed the Scattered Lapsus ShinyHunters

    A prolific data ransom gang that calls itself Scattered Lapsus ShinyHunters (SLSH) has a distinctive playbook when it seeks to extort payment from victim firms: Harassing, threatening and even swatting executives and their families, all while notifying journalists and regulators… Read More »

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  7. Who Operates the Badbox 2.0 Botnet?

    The cybercriminals in control of Kimwolf -- a disruptive botnet that has infected more than 2 million devices -- recently shared a screenshot indicating they'd compromised the control panel for Badbox 2.0, a vast China-based botnet powered by malicious software that comes pre-installed on many Android…

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  8. Kimwolf Botnet Lurking in Corporate, Govt. Networks

    A new Internet-of-Things botnet called Kimwolf has spread to more than 2 million devices, forcing infected systems to participate in massive distributed denial-of-service (DDoS) attacks and to relay other malicious and abusive Internet traffic. Kimwolf's ability to scan the local networks of compromised…

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  9. Patch Tuesday, January 2026 Edition

    Microsoft today issued patches to plug at least 113 security holes in its various Windows operating systems and supported software. Eight of the vulnerabilities earned Microsoft's most-dire "critical" rating, and the company warns that attackers are already exploiting one of the bugs fixed today.

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  10. Who Benefited from the Aisuru and Kimwolf Botnets?

    Our first story of 2026 revealed how a destructive new botnet called Kimwolf rapidly grew to infect more than two million devices by mass-compromising a vast number of unofficial Android TV streaming boxes. Today, we'll dig through digital clues left behind by the hackers, network operators, and cybercrime…

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