Security News

Miasma Worm Hits 73 Microsoft GitHub Repositories in Major Supply Chain Attack

Microsoft's GitHub repositories have become the latest to fall victim to the ongoing Miasma self-replicating supply chain attack campaign. The incident impacted 73 Microsoft repositories across four of its GitHub organizations, including Azure, Azure-Samples, Microsoft, and MicrosoftDocs, per OpenSourceMalware. The development has GitHub to disable access to those repositories. "Access to this

Cisco Catalyst SD-WAN Manager CVE-2026-20245 Flaw Actively Exploited – No Patch Available

Cisco has warned that a high-severity security flaw impacting Catalyst SD-WAN Manager has come under active exploitation. The vulnerability, tracked as CVE-2026-20245, carries a CVSS score of 7.8 out of a maximum of 10.0. It affects the following deployment types - On-Prem Deployment Cisco SD-WAN Cloud-Pro Cisco SD-WAN Cloud (Cisco Managed) Cisco SD-WAN for Government (FedRAMP) "A

Exposed Fuel Tank Gauges Under Attack in the US

Threat actors are taking advantage of Internet-exposed tank gauges by breaching gas stations, opening the door to disruption.

IronWorm and New Miasma Worm Variant Hit npm in Supply Chain Attacks

Multiple software supply chain attacks have hit the npm ecosystem, with threat actors using both malicious and poisoned versions of over 50 legitimate packages to distribute a Rust-based information stealer and a self-spreading worm, respectively. According to JFrog, the information stealer "scrapes every secret it can find on a developer's machine, hides behind an eBPF kernel rootkit, and

Android Spyware Asin Targets Arabic Users via Fake News, PDF and War Map Apps

Arabic-speaking users have emerged as the target of a new Android spyware codenamed Asin, according to findings from ESET. The Slovakian cybersecurity company said it first detected the malware spread via multiple campaigns in early 2025, with each attack wave making use of distinct websites mimicking utilities, war-related updates, and a government news source: govlens[.]net, which

Adaptive, Agentic AI Worms Loom as Next Enterprise Threat

AI worms, or "viruses with wings and brains," adapt to new environments, seek out vulnerabilities, and will likely strike within a year, researchers say.

Trump AI Order Seeks Voluntary Frontier Model Testing

The White House's executive order establishes voluntary framework for early government access to frontier models while investing in federal security.

New Threat Cluster OP-512 Targets Microsoft IIS Servers with Custom Web Shell Framework

Cybersecurity researchers have discovered a previously unreported threat cluster dubbed OP-512 that has been observed targeting Microsoft Internet Information Services (IIS) servers to deploy a bespoke web shell framework. ReliaQuest has assessed with moderate to high confidence that the espionage-focused activity is linked to China. "OP-512 was highly likely conducting espionage through a

Only 10% of SOCs Say They’re Getting Excellent Value From AI. Here’s What the Second Wave Has to Deliver

Eighteen months ago, the AI SOC was a marketing line. Today it's a budget item. The category has crossed over from interesting to inevitable, with billions of dollars now flowing into AI-powered security operations platforms, agentic SOC tools, and AI co-pilots built into every layer of the security stack. The data shows SOCs are buying, deploying, and standing up AI capabilities at the fastest

Hackers Exploit Critical Everest Forms Pro WordPress Plugin Flaw to Take Over Sites

Threat actors are actively exploiting a critical security flaw in Everest Forms Pro, a WordPress plugin with about 4,000 active installations, to execute arbitrary code, leading to a complete site compromise. The vulnerability in question is CVE-2026-3300 (CVSS score: 9.8), a remote code execution bug impacting all versions of the plugin up to, and including, 1.9.12. A patch for the flaw was

FIFA World Cup 2026 Scams Are Already Live: Fake Sites, Banking Malware, and Stolen Logins

Security researchers and the FBI are warning that a wave of FIFA-themed fraud is already hitting World Cup 2026 fans, days before the June 11 kickoff. Recent reports describe thousands of lookalike FIFA domains, banking malware hidden inside pirate streaming apps, and at least one operation that copies FIFA's login page well enough to take over real accounts. It is an obvious target. More than

The Evil MSI Background is Back!, (Fri, Jun 5th)

A few months ago, I wrote a diary about a payload that was embedded into a JPEG picture. It was a MSI-branded background[1]. Yesterday, I spotted another one! It seems that the technic is getting more and more popular. This time, it started with a mail containing a WeTransfer link.

PCPJack Hijacks 230 AWS, Google Cloud, and Azure Servers for Covert SMTP Relay Network

The threat actor known as PCPJack has hijacked cloud servers associated with Amazon Web Services (AWS), Google Cloud, and Microsoft Azure to create a covert SMTP email relay network. "Compromised business servers across the U.S., Europe, and Asia were quietly converted into SMTP proxies, verified for mail relay capability, and synced to a downstream consumer every five minutes," Hunt.io said in

ISC Stormcast For Friday, June 5th, 2026 https://isc.sans.edu/podcastdetail/9960, (Fri, Jun 5th)

Rust-Written IronWorm Hits NPM Supply Chain

Like Shai-Hulud, the campaign targets developers to steal credentials and reuses them to propagate across the software supply channel.

China's TA4922 Expands Cybercrime Attacks Globally

One of the world's most diverse, least-focused cybercrime groups is enlarging its footprint beyond East Asia.

4 Critical Threats Where Attackers Have the Advantage

Gartner analysts issued a call to action to bolster defenses against several emerging critical threats, such as deepfakes and prompt injections.

Cisco Patches CVE-2026-20230 in Unified CM as Exploit Code Goes Public

Cisco has patched a bug in Unified Communications Manager that lets an unauthenticated attacker on the network write files to the box and, from there, climb to root. It is tracked as CVE-2026-20230, and proof-of-concept exploit code is already public. Cisco's PSIRT says it has not seen the flaw used in attacks yet. The PoC shortens that runway. The flaw is a server-side request forgery.

Claude Code GitHub Action Flaw Let One Malicious Issue Hijack Repositories

A security researcher found a flaw in Anthropic's Claude Code GitHub Action that let an attacker take over vulnerable public repositories running it, with nothing more than a single opened GitHub issue. Because Anthropic's own action repo used the same workflow, a working attack could have pushed malicious code into the action itself and onto the projects downstream that pull it. RyotaK of GMO

Agentic AI Is Transforming Defense, But Only Secure IT Infrastructure Will Maximize It

Over the past several weeks, the cybersecurity community has been reminded how quickly frontier and agentic AI in defense networks can challenge our assumptions. When Anthropic's Claude Mythos model was made available to a limited set of organizations as a technical preview, it was reported that an unauthorized group claimed that it had gained access within hours. The incident, if true, was