KDDI Discloses Data Breach Potentially Affecting Up to 14.2 Million Email Accounts Across Six ISPs in Japan

353/69 Tuesday, June 30, 2026 KDDI Corporation, a major telecommunications company in Japan, has disclosed a data breach that may affect up to 14.2 million email accounts from email services operated by six internet service providers in Japan. KDDI stated that it detected the intrusion on June 17, 2026, blocked the attackers, and immediately began […]

chanapon

June 30, 2026

OpenAI Launches GPT-5.6 Sol as an Advanced AI for Cybersecurity, Focusing on Vulnerability Detection and Defensive Tasks

352/69 Tuesday, June 30, 2026 OpenAI has announced the launch of its latest AI models in the GPT-5.6 family as part of a limited testing release. The lineup consists of three model tiers based on use cases: Sol, Terra, and Luna. GPT-5.6 Sol is the flagship model with the highest capability and has been specifically […]

chanapon

June 30, 2026

Phishing Campaign Impersonates Customer Complaint Emails to Target Hotels and Hospitality Businesses

351/69 Monday, June 29, 2026 Security researchers have disclosed a phishing campaign targeting organizations in the hotel and hospitality sector. The attackers send fake emails disguised as customer complaints, room issue reports, or stay-related warnings to trick front desk staff, reservation teams, or other relevant personnel into clicking links and downloading ZIP files claimed to […]

chanapon

June 29, 2026

Polymarket to Fully Reimburse Users After Supply Chain Attack

350/69 Monday, June 29, 2026 Polymarket disclosed that it will fully compensate affected users after a supply chain attack caused customers to lose a total of approximately USD 3 million. The incident occurred after attackers injected malicious JavaScript into the website’s frontend through a third-party provider associated with the website’s dependency. However, Polymarket stated that […]

chanapon

June 29, 2026

Miasma Malware Campaign Found Hiding Malicious Code in More Than 20 npm Packages to Steal Developer Secrets

349/69 Monday, June 29, 2026 Microsoft has detected a malware campaign named Miasma, a supply chain worm capable of self-propagation. The latest activity involved malicious code embedded in more than 20 versions of npm packages used in the Leo Platform and RStreams ecosystems. According to Microsoft Threat Intelligence, the attack began on the evening of […]

chanapon

June 29, 2026

Google Releases Chrome 149 Update to Fix 18 Severe Vulnerabilities

348/69 Friday, June 26, 2026 Google has released a security update for Chrome 149 to address a total of 18 vulnerabilities, including 4 Critical and 14 High-severity flaws. This update is separate from the earlier emergency update that fixed the zero-day vulnerability CVE-2026-11645, which had reportedly been exploited in attacks. Google has not stated that […]

chanapon

June 26, 2026

GSM-R Railway Communication System Outage Across Germany Causes Widespread Train Service Suspension

347/69 Friday, June 26, 2026 Reports indicate that, at 10:30 p.m. on Tuesday, June 23, 2026, Deutsche Bahn, Germany’s national railway operator, informed passengers that trains across the country had to stop at stations due to a nationwide outage in the GSM-R system, or Global System for Mobile Communications – Railway. GSM-R is an internal […]

chanapon

June 26, 2026

Warning: Microsoft Edge Extension Used as an Attack Vector for Ransomware

346/69 Friday, June 26, 2026 Security researchers from Zscaler have disclosed the discovery of a new malware called Edgecution, which disguises itself as a Microsoft Edge extension to facilitate ransomware attacks. Edgecution is assessed to be operated by an Initial Access Broker (IAB) linked to a ransomware operation known as Payouts Kings. A key feature […]

chanapon

June 26, 2026

Mistic RAT Used as an Initial Access Tool, Increasing the Risk of Ransomware Attacks

345/69 Thursday, June 25, 2026 Security researchers have revealed that the Initial Access Broker (IAB) group tracked as Woodgnat, also known as KongTuke, is using a new Remote Access Trojan (RAT) called Mistic RAT to compromise organizations across multiple industries. The group has been linked to providing network access to several ransomware operations, including Qilin, […]

sittisak mintaboon

June 25, 2026

Tata Electronics Confirms Cyberattack After World Leaks Claims Theft and Publication of Company Data

344/69 Thursday, June 25, 2026 Tata Electronics has confirmed that it was the target of a cyberattack that affected portions of its internal IT infrastructure. The company stated that it detected the incident several weeks ago and immediately initiated its incident response procedures. Tata Electronics emphasized that the attack has not affected its business operations, […]

sittisak mintaboon

June 25, 2026
1 11 12 13 110