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Bleeping Computer
U.S. and Canadian authorities arrested and charged a Canadian man with operating the KimWolf distributed denial-of-service (DDoS) botnet, which infected nearly two million devices worldwide. [...]
The Hacker News
Microsoft has disclosed that a privilege escalation and a denial-of-service flaw in Defender has come under active exploitation in the wild. The former, tracked as CVE-2026-41091, is rated 7.8 on the CVSS scoring system. Successful exploitation of the flaw could allow an attacker to gain SYSTEM privileges. "Improper link resolution before file access ('link following') in Microsoft Defender
The Hacker News
cPanel has released updates to address three vulnerabilities in cPanel and Web Host Manager (WHM) that could be exploited to achieve privilege escalation, code execution, and denial-of-service. The list of vulnerabilities is as follows - CVE-2026-29201 (CVSS score: 4.3) - An insufficient input validation of the feature file name in the "feature::LOADFEATUREFILE" adminbin call that could result
Bleeping Computer
Cisco patched a Crosswork Network Controller and Network Services Orchestrator denial-of-service vulnerability that requires manually rebooting targeted systems for recovery. [...]
The Register
313 Team tells Canonical: pay up or the packets keep coming
The Hacker News
An international law enforcement operation has taken down 53 domains and arrested four people in connection with commercial distributed denial-of-service (DDoS) operations that were used by more than 75,000 cybercriminals. The ongoing effort, dubbed Operation PowerOFF, disrupted access to the DDoS-for-hire services, took down the technical infrastructure supporting them, and obtained access to
Bleeping Computer
The latest wave of "Operation PowerOFF," on April 13, 2026, targeted the distributed denial-of-service (DDoS) ecosystem and its users across 21 countries. [...]
Dark Reading
Security teams can't test distributed denial-of-service defenses in a vacuum. They need to test during periods of high demand, such as tax filing deadlines.
The Hacker News
Cybersecurity researchers have lifted the curtain on a stealthy botnet that's designed for distributed denial-of-service (DDoS) attacks. Called Masjesu, the botnet has been advertised via Telegram as a DDoS-for-hire service since it first surfaced in 2023. It's capable of targeting a wide range of IoT devices, such as routers and gateways, spanning multiple architectures. "Built for
Dark Reading
CVE-2025-53521 was initially disclosed in October as a high-severity denial-of-service (DoS) flaw, but new information has revealed the bug is actually much more dangerous.