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Chinese Hackers Target Taiwan’s Semiconductor Sector with Cobalt Strike, Custom Backdoors

The Taiwanese semiconductor industry has become the target of spear-phishing campaigns undertaken by three Chinese state-sponsored threat actors.
“Targets of these campaigns ranged from organizations involved in the manufacturing, design, and testing of semiconductors and integrated circuits, wider equipment and services supply chain entities within this sector, as well as financial investment

Oracle Patches 200 Vulnerabilities With July 2025 CPU

Oracle’s July 2025 Critical Patch Update contains 309 security patches that address approximately 200 unique CVEs.

The post Oracle Patches 200 Vulnerabilities With July 2025 CPU appeared first on SecurityWeek.

Cisco Warns of Critical ISE Flaw Allowing Unauthenticated Attackers to Execute Root Code

Cisco has disclosed a new maximum-severity security vulnerability impacting Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) that could permit an attacker to execute arbitrary code on the underlying operating system with elevated privileges.
Tracked as CVE-2025-20337, the shortcoming carries a CVSS score of 10.0 and is similar to CVE-2025-20281, which was patched

Cambodia Makes 1,000 Arrests in Latest Crackdown on Cybercrime

More than 1,000 suspects were arrested in raids in at least five provinces between Monday and Wednesday, according to Information Minister Neth Pheaktra and police.

The post Cambodia Makes 1,000 Arrests in Latest Crackdown on Cybercrime appeared first on SecurityWeek.

Co-op confirms data of 6.5 million members stolen in cyberattack

UK retailer Co-op has confirmed that personal data of 6.5 million members was stolen in the massive cyberattack in April that shut down systems and caused food shortages in its grocery stores. […]

U.S. Army soldier pleads guilty to extorting 10 tech, telecom firms

A 21-year old former U.S. Army soldier pleaded guilty to charges of hacking and extorting at least ten telecommunications and technology companies in the country. […]

Louis Vuitton says regional data breaches tied to same cyberattack

Luxury fashion giant Louis Vuitton confirmed that breaches impacting customers in the UK, South Korea, and Turkey stem from the same security incident, which is believed to be linked to the ShinyHunters extortion group. […]

Hackers Leverage Microsoft Teams to Spread Matanbuchus 3.0 Malware to Targeted Firms

Cybersecurity researchers have flagged a new variant of a known malware loader called Matanbuchus that packs in significant features to enhance its stealth and evade detection.
Matanbuchus is the name given to a malware-as-a-service (MaaS) offering that can act as a conduit for next-stage payloads, including Cobalt Strike beacons and ransomware.
First advertised in February 2021 on

Europol-Coordinated Global Operation Takes Down Pro-Russian Cybercrime Network

Codenamed Eastwood, the operation targeted the so-called NoName057(16) group, which was identified as being behind a series of DDoS attacks on municipalities and organizations linked to a NATO summit.

The post Europol-Coordinated Global Operation Takes Down Pro-Russian Cybercrime Network appeared first on SecurityWeek.

Cloudflare says 1.1.1.1 outage not caused by attack or BGP hijack

To quash speculation of a cyberattack or BGP hijack incident causing the recent 1.1.1.1 Resolver service outage, Cloudflare explains in a post mortem that the incident was caused by an internal misconfiguration. […]

Author: brangberg