Latest Cybersecurity News and Articles
26 May 2026
The Indian Computer Emergency Response Team (CERT-In) has issued new guidelines requiring organizations to patch critical security vulnerabilities in internet-exposed systems within 12 hours of being flagged where "feasible" to safeguard against potential threats stemming from threat actors' abuse of artificial intelligence (AI) tools and large language models (LLMs) to automate vulnerability
26 May 2026
The Iranian state-sponsored threat actor known as Nimbus Manticore (aka Screening Serpens and UNC1549) has been attributed to a fresh campaign using lures impersonating organizations in the aviation and software sectors across the U.S., Europe, and the Middle East following the joint U.S.-Israeli military campaign against the country in late February 2026.
The activity, besides embracing
26 May 2026
A now-patched high-severity security flaw affecting Digital Knowledge KnowledgeDeliver, a Learning Management System (LMS) popular in Japan, was exploited as a zero-day to deliver the Godzilla web shell and ultimately facilitate the deployment of Cobalt Strike Beacon.
The vulnerability, tracked as CVE-2026-5426 (CVSS score: 7.5), stems from the use of hard-coded ASP.NET machine keys, leading to
25 May 2026

Ciaran Martin says Reform UK leader’s allegation over Guardian report on £5m gift ‘entirely unsubstantiated’Nigel Farage’s claim that a Russian hack was behind a Guardian report on the £5m gift he received from a crypto billionaire has been described as “without any merit” by a former head of the National Cyber Security Centre.Ciaran Martin, founding chief executive of the agency, which is part of GCHQ, said Farage’s allegation, if true, would have major implications for UK policy towards Russia but that the Reform UK leader had yet to provide “a shred of evidence”. Continue reading...
25 May 2026
Monday recap. Same mess, new week.
A sketchy dev tool got people pwned, old bugs came back from the dead, and security products somehow needed protecting from themselves. A bunch of companies spent the week checking old boxes and forgotten servers they should've patched years ago. Good times.
Phishing crews are getting smarter too - less obvious scam junk, more targeted stuff that actually
25 May 2026
Sites belonging to major universities such as Harvard and Oxford, as well as DuckDuckGo, have been compromised in the attack.
The post Ghost CMS Vulnerability Exploited to Hack Over 700 Websites appeared first on SecurityWeek.
25 May 2026
Authorities in the Netherlands have arrested the co-owners of two related Internet hosting companies for operating IT infrastructure used by Russia to carry out cyberattacks, influence operations and disinformation campaigns inside the European Union. The two men were the focus of a 2025 KrebsOnSecurity story about how their hosting companies had assumed control over the technical infrastructure of Stark Industries Solutions, an Internet service provider sanctioned last year by the EU as a frequent staging ground for cyber mischief from Russia's intelligence agencies.
25 May 2026
The affected third-party vendor has not been named, but one possible candidate is TriZetto.
The post Oncology Institute Discloses Data Breach appeared first on SecurityWeek.
25 May 2026
Threat actors are exploiting a recently disclosed critical security flaw in Ghost CMS to inject malicious JavaScript code with an aim to fuel ClickFix attacks.
According to QiAnXin XLab, the activity involves the exploitation of CVE-2026-26980 (CVSS score: 9.4), an SQL injection vulnerability in Ghost's Content API that could allow an unauthenticated attacker to read arbitrary data from the
25 May 2026
Ask a cybersecurity pro about Network Detection and Response (NDR) and you might still hear "Noisy," "Too much data." But ask the teams running NDR that includes agentic AI capabilities and you'll hear they're actually using it to catch threats earlier, triage faster, and chase fewer false positives. The old complaint lingers in part because reputations are sticky, and because NDR has evolved
25 May 2026
Threat actors stole files containing names and protected health information from the healthcare organization’s systems.
The post 266,000 Affected by Data Breach at Radiology Associates of Richmond appeared first on SecurityWeek.
25 May 2026
Many findings have been confirmed to be critical or high-severity vulnerabilities and the number will continue to increase.
The post Anthropic: Mythos Detected 23,000 Potential Vulnerabilities Across 1,000 OSS Projects appeared first on SecurityWeek.
25 May 2026
Published within a 15-minute window, the malicious tags introduced backdoors to exfiltrate CI secrets.
The post Laravel-Lang Packages Poisoned for Malware Delivery appeared first on SecurityWeek.
25 May 2026
Hackers accessed names, addresses, Social Security numbers, financial information, and medical data from third-party partner repositories.
The post DocketWise Data Breach Impacts 143,000 appeared first on SecurityWeek.
25 May 2026
Cybersecurity researchers have shed light on a cross-platform malware called RemotePE that has been put to use by the North Korea-linked Lazarus Group in attacks targeting financial and cryptocurrency organizations.
RemotePE, per NCC Group subsidiary Fox-IT, is part of a multi-stage attack chain that involves two loaders tracked as DPAPILoader and RemotePELoader.
"DPAPILoader decrypts and
25 May 2026
Fake automated commits injected GitHub Actions workflows containing payloads to steal credentials, CI secrets, keys, and tokens.
The post Over 5,500 GitHub Repositories Infected in ‘Megalodon’ Supply Chain Attack appeared first on SecurityWeek.
25 May 2026
A new coordinated cross-ecosystem software supply chain attack campaign has targeted npm, PyPI, and Crates.io to distribute credential-stealing malware.
The campaign, codenamed TrapDoor, spans more than 34 malicious packages across over 384 versions. The earliest activity was recorded on May 22, 2026, at 8:20 p.m. UTC, with new packages published to the ecosystems in waves from a cluster of
23 May 2026
GitHub has rolled out new controls for npm to improve the security of the software supply chain, giving maintainers the ability to explicitly approve a release prior to the packages becoming publicly available for installation.
Called staged publishing, the feature is now generally available on npm. It mandates that a human maintainer pass a two-factor authentication (2FA) challenge to approve
23 May 2026
A new "coordinated" supply chain attack campaign has impacted eight packages on Packagist including malicious code designed to run a Linux binary retrieved from a GitHub Releases URL.
"Although the affected packages were all Composer packages, the malicious code was not added to composer.json," Socket said. "Instead, it was inserted into package.json, targeting projects that ship JavaScript
23 May 2026
Anthropic on Friday disclosed that Project Glasswing has helped uncover more than 10,000 high- or critical-severity vulnerabilities across some of the most "systemically" important software across the world since the cybersecurity initiative went live last month.
Project Glasswing is an effort led by the artificial intelligence (AI) company, as part of which a small set of about 50 partners