Security
Stay informed with the latest developments in cybersecurity through our Security category. Discover in-depth news, analysis, and updates on emerging cyber threats, malware incidents, and major data breaches. Whether you’re a cybersecurity professional or just keen on protecting your digital footprint, find insights and trends that are shaping the future of online security here.
Retail giant Sam’s Club investigates Clop ransomware breach claims
Sam’s Club, an American warehouse supermarket chain owned by U.S. retail giant Walmart, is investigating claims of a Clop ransomware breach. The Walmart division operates over 600 warehouse clubs with millions of members across the United States and Puerto Rico and almost 200 additional locations in Mexico and China. Sam’s Club has over 2.3 million […]
OpenAI now pays researchers $100,000 for critical vulnerabilities
Artificial intelligence company OpenAI has announced a fivefold increase in the maximum bug bounty rewards for “exceptional and differentiated” critical security vulnerabilities from $20,000 to $100,000. OpenAI says its services and platforms are used by 400 million users across businesses, enterprises, and governments worldwide every week. “We are significantly increasing the maximum bounty payout for […]
Phishing-as-a-service operation uses DNS-over-HTTPS for evasion
A newly discovered phishing-as-a-service (PhaaS) operation that researchers call Morphing Meerkat, has been using the DNS over HTTPS (DoH) protocol to evade detection. The platform also leverages DNS email exchange (MX) records to identify victims’ email providers and to dynamically serve spoofed login pages for more than 114 brands. Morphing Meerkat has been active since at […]
New Ubuntu Linux security bypasses require manual mitigations
Three security bypasses have been discovered in Ubuntu Linux’s unprivileged user namespace restrictions, which could be enable a local attacker to exploit vulnerabilities in kernel components. The issues allow local unprivileged users to create user namespaces with full administrative capabilities and impact Ubuntu versions 23.10, where unprivileged user namespaces restrictions are enabled, and 24.04 which has […]
Oracle Health breach compromises patient data at US hospitals
A breach at Oracle Health impacts multiple US healthcare organizations and hospitals after a threat actor stole patient data from legacy servers. Oracle Health has not yet publicly disclosed the incident, but in private communications sent to impacted customers and from conversations with those involved, GeekFeed confirmed that patient data was stolen in the attack. Oracle […]
Hijacked Microsoft web domain injects spam into SharePoint servers
The legacy domain for Microsoft Stream was hijacked to show a fake Amazon site promoting a Thailand casino, causing all SharePoint sites with old embedded videos to display it as spam. Microsoft Stream is an enterprise video streaming service that allows organizations to upload and share videos in Microsoft 365 apps, such as Teams and […]
Infostealer campaign compromises 10 npm packages, targets devs
Ten npm packages were suddenly updated with malicious code yesterday to steal environment variables and other sensitive data from developers’ systems. The campaign targeted multiple cryptocurrency-related packages, and the popular ‘country-currency-map’ package was downloaded thousands of times a week. The malicious code was discovered by Sonatype researcher Ali ElShakankiry and is found in two heavily obfuscated […]
Chinese FamousSparrow hackers deploy upgraded malware in attacks
A China-linked cyberespionage group known as ‘FamousSparrow’ was observed using a new modular version of its signature backdoor ‘SparrowDoor’ against a US-based trade organization. The activity and new malware version were observed by security researchers at ESET, who found evidence the threat actor has been more active than initially thought since its last operations were exposed in […]
The 4 WordPress flaws hackers targeted the most in Q1 2025
A new report sheds light on the most targeted WordPress plugin vulnerabilities hackers used in the first quarter of 2025 to compromise sites. All four flaws are vulnerabilities discovered and fixed in 2024 but remain unpatched in many cases, giving hackers the opportunity to execute arbitrary code or exfiltrate sensitive data. Among the four flaws, […]
Mozilla warns Windows users of critical Firefox sandbox escape flaw
Mozilla has released Firefox 136.0.4 to patch a critical security vulnerability that can let attackers escape the web browser’s sandbox on Windows systems. Tracked as CVE-2025-2857, this flaw is described as an “incorrect handle could lead to sandbox escapes” and was reported by Mozilla developer Andrew McCreight. The vulnerability impacts the latest Firefox standard and extended […]