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On December 4, 2025, a 17-year-old was arrested in Osaka under Japan’s Unauthorized Access Prohibition Act. The young man had run malicious code to extract the personal data of over 7 million users of Kaikatsu Club, Japan's largest internet cafe chain. When asked, the young man shared his motivation for the hack: he wanted to buy Pokémon cards. In a sense, this is a fairly conventional story.

The China-based cybercrime group known as Silver Fox has been linked to a new campaign targeting organizations in Russia and India with a new malware called ABCDoor. The activity involved using phishing emails that mimic correspondence from the Income Tax Department of India in December 2025, followed by a similar campaign aimed at Russian entities. "Both waves followed a nearly identical

CISA has added the bug to its KEV list, and Microsoft has observed limited exploitation, mainly associated with PoC testing. The post Exploitation of ‘Copy Fail’ Linux Vulnerability Begins appeared first on SecurityWeek.

Advanced Account Security provides stronger login methods, more secure account recovery, shorter sessions, and training exclusion. The post OpenAI Rolls Out Advanced Security for ChatGPT Accounts appeared first on SecurityWeek.

A previously unknown threat actor has been observed targeting government and military entities in Southeast Asia, alongside a smaller cluster of managed service providers (MSPs) and hosting providers in the Philippines, Laos, Canada, South Africa, and the U.S., by exploiting the recently disclosed vulnerability in cPanel. The activity, detected by Ctrl-Alt-Intel on May 2, 2026, involves the

The attacks likely target CVE-2026-41940, a recently patched zero-day leading to administrative access. The post Over 40,000 Servers Compromised in Ongoing cPanel Exploitation appeared first on SecurityWeek.

Hackers disrupted services and stole names, email addresses, student ID numbers, and user messages. The post Edtech Firm Instructure Discloses Data Breach Amid Hacker Leak Threats appeared first on SecurityWeek.

A coordinated international operation involving U.S. and Chinese authorities has arrested at least 276 suspects and shut down nine scam centers used for cryptocurrency investment fraud schemes targeting Americans, resulting in millions of dollars in losses. The crackdown was led by the Dubai Police, under the United Arab Emirates (UAE) Ministry of Interior, in partnership with the U.S. Federal

Google, Microsoft, Amazon Web Services, Nvidia, OpenAI, Reflection and SpaceX will provide resources to help augment warfighter decision-making in complex operational environments,” the Defense Department said. The post US Military Reaches Deals With 7 Tech Companies to Use Their AI on Classified Systems appeared first on SecurityWeek.

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Friday added a recently disclosed security flaw impacting various Linux distributions to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation in the wild. The vulnerability, tracked as CVE-2026-31431 (CVSS score: 7.8), is a case of local privilege escalation (LPE) flaw that could allow an

Still under development, Bluekit provides users with automated domain registration and an AI Assistant. The post New Bluekit Phishing Kit Features AI Assistant appeared first on SecurityWeek.

Cybersecurity company Trellix has announced that it suffered a breach that enabled unauthorized access to a "portion" of its source code. It said it "recently identified" the compromise of its source code repository and that it began working with "leading forensic experts" to resolve the matter immediately. It also said it has notified law enforcement of the matter. Trellix did not disclose the

A newly discovered Vietnamese-linked operation has been observed using a Google AppSheet as a "phishing relay" to distribute phishing emails with an aim to compromise Facebook accounts. The activity has been codenamed AccountDumpling by Guardio, with the scheme selling the stolen accounts back through an illicit storefront run by the threat actors. In all, roughly 30,000 Facebook accounts are

Other noteworthy stories that might have slipped under the radar: OFAC hits Iranian central bank crypto reserves, ADT data leak, CISA guidance for zero trust in OT. The post In Other News: Scattered Spider Hacker Arrested, SOC Effectiveness Metrics, NSA Tool Vulnerability appeared first on SecurityWeek.

The maximum reward for a zero-click Pixel Titan M exploit with persistence has increased to $1.5 million. The post Google Adjusts Bug Bounties: Chrome Payouts Drop as Android Rewards Rise Amid AI Surge appeared first on SecurityWeek.