Cybersecurity News and Updates

Cybersecurity researchers have disclosed details of a cyber espionage campaign specifically targeting Linux infrastructure associated with government entities and state-affiliated infrastructure.

The activity, observed by Palo Alto Networks Unit 42 between October 2025 and April 2026, has been tracked under the moniker CL-UNK-1211, where “CL” refers to cluster and “UNK” stands for unknown

Attackers posing as IT support on Microsoft Teams talked employees into giving them remote control of their PCs. They then used insecure Active Directory Certificate Services (AD CS) settings to obtain login certificates for privileged accounts, including one for a domain controller.

Microsoft said in a report that it investigated two such intrusions, one of which resulted in company

The startup maps how identities, assets and vulnerabilities connect, and uses AI agents to find and fix risky combinations of issues.

The post Northstar Security Exits Stealth With $7M to Expose Toxic Risk Combinations appeared first on SecurityWeek.

Malicious code on the website of prediction market Polymarket sold some signed-in traders’ positions and moved their funds to the hackers on October 29. The code had replaced a page-speed script that the site loaded from an outside company.

Polymarket says it is refunding about $2.7 million to 726 affected wallets. Blockchain records show crypto worth about $2.64 million reached

A critical flaw in Canonical’s LXD and MicroCloud let an attacker log in as a trusted client without holding that client’s private key. To do it, the attacker had to reach their HTTPS API over the network and have the trusted client’s public certificate.

Once in, the attacker would act as that client, with access to the cluster and its virtual machines. If the impersonated account is

Cybersecurity researchers have disclosed details of what has been described as a “highly sophisticated infection chain” targeting government organizations in Asia.

The activity, detailed by Kaspersky this week, targeted a custom Windows 10 build used exclusively by government entities in Asia and involves the deployment of a previously undocumented .NET assembly-loading framework codenamed

The U.S. Federal Bureau of Investigation (FBI) has officially attributed the theft of more than $6 billion in virtual assets to TraderTraitor, a North Korea-aligned elite hacking group also tracked as Jade Sleet, Pressure Chollima, PUKCHONG, Slow Pisces, and UNC4899.

The FBI, along with the U.S. Secret Service (USSS) and the Internal Revenue Service Criminal Investigation (IRS-CI), said it

American blockchain analysis firm Chainalysis said it was the target of a cybersecurity incident in which an external actor accessed non-sensitive customer data.

However, the company noted that the breach did not result in unauthorized access to its investigation content, authentication credentials, or session tokens.

“This month, Chainalysis detected an external actor using offensive agentic

A US court sentenced Syrian hacker Ahmad Umar Agha to 42 months for pro-Assad attacks on media, businesses, and government entities.

The post Syrian Hacker Gets Prison Time in US After Over a Decade on the Run appeared first on SecurityWeek.

Threat actors are launching about 8,226 network-layer distributed denial-of-service (DDoS) attacks per hour, Cloudflare revealed Thursday.

The web infrastructure and security company said it autonomously mitigated 18.2 million network-layer (L3) DDoS attacks and 14.4 trillion HTTP DDoS requests in the third quarter of 2026. That amounts to 197,400 attacks per day, or one attack every 0.44