Cyber News & Articles

Cybersecurity researchers have uncovered a coordinated campaign that leveraged 131 rebranded clones of a WhatsApp Web automation extension for Google Chrome to spam Brazilian users at scale.
The 131 spamware extensions share the same codebase, design patterns, and infrastructure, according to supply chain security company Socket. The browser add-ons collectively have about 20,905 active users.
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Hundreds of US government officials working for the FBI, ICE, and Department of Justice have had their personal data leaked by a notorious hacking group.

Read more in my article on the Hot for Security blog.

China on Sunday accused the U.S. National Security Agency (NSA) of carrying out a “premeditated” cyber attack targeting the National Time Service Center (NTSC), as it described the U.S. as a “hacker empire” and the “greatest source of chaos in cyberspace.”
The Ministry of State Security (MSS), in a WeChat post, said it uncovered “irrefutable evidence” of the agency’s involvement in the intrusion

Europol on Friday announced the disruption of a sophisticated cybercrime-as-a-service (CaaS) platform that operated a SIM farm and enabled its customers to carry out a broad spectrum of crimes ranging from phishing to investment fraud.
The coordinated law enforcement effort, dubbed Operation SIMCARTEL, saw 26 searches carried out, resulting in the arrest of seven suspects and the seizure of

Cybersecurity researchers have shed light on a new campaign that has likely targeted the Russian automobile and e-commerce sectors with a previously undocumented .NET malware dubbed CAPI Backdoor.
According to Seqrite Labs, the attack chain involves distributing phishing emails containing a ZIP archive as a way to trigger the infection. The cybersecurity company’s analysis is based on the ZIP

The threat actors behind a malware family known as Winos 4.0 (aka ValleyRAT) have expanded their targeting footprint from China and Taiwan to target Japan and Malaysia with another remote access trojan (RAT) tracked as HoldingHands RAT (aka Gh0stBins).
“The campaign relied on phishing emails with PDFs that contained embedded malicious links,” Pei Han Liao, researcher with Fortinet’s FortiGuard

The North Korean threat actor linked to the Contagious Interview campaign has been observed merging some of the functionality of two of its malware programs, indicating that the hacking group is actively refining its toolset.
That’s according to new findings from Cisco Talos, which said recent campaigns undertaken by the hacking group have seen the functions of BeaverTail and OtterCookie coming

Cybercriminals are abusing a widespread lack of authentication in the customer service platform Zendesk to flood targeted email inboxes with menacing messages that come from hundreds of Zendesk corporate customers simultaneously.

The danger isn’t that AI agents have bad days — it’s that they never do. They execute faithfully, even when what they’re executing is a mistake. A single misstep in logic or access can turn flawless automation into a flawless catastrophe.
This isn’t some dystopian fantasy—it’s Tuesday at the office now. We’ve entered a new phase where autonomous AI agents act with serious system privileges. They

Cybersecurity researchers have disclosed details of a recently patched critical security flaw in WatchGuard Fireware that could allow unauthenticated attackers to execute arbitrary code.
The vulnerability, tracked as CVE-2025-9242 (CVSS score: 9.3), is described as an out-of-bounds write vulnerability affecting Fireware OS 11.10.2 up to and including 11.12.4_Update1, 12.0 up to and including