Latest cybersecurity reporting from selected sources.

Researchers Trace Linux and Windows Toolsets to Suspected PRC Espionage ActivityNewly discovered malware tied to China-linked actors breached telecom providers across Asia and the Middle East, highlighting growing efforts to gain persistent access into interconnected communications infrastructure.

Also, HexDex Arrest, Black Axe Crackdown, LeRobot RCE FlawThis week, election threats resurfaced. A prolific hacker arrested. Black Axe network disrupted. China-linked disinformation targets Tibet. Exploited ScreenConnect and Windows flaws raise alarms. Minecraft gamers hit with stealer malware. A critical AI framework bug enables remote code execution.

Also, Telus Breach, Microsoft Hotpatching, Interpol Malicious IP TakedownThis week, Russian hacker OpSec failure, Interpol helped disrupt 45,000 malicious IPs, the FBI is looking for an ATM jackpotting suspect and Telus disclosed a breach. Windows hotpatching, an FTP exploit, a foiled attack on a nuclear research center and China-linked espionage.

Also, More ClickFix Attacks and Teen Booters Arrested in PolandThis week, Russian hackers targeted Signal and WhatsApp users, permit-fee phishing hit U.S. applicants, ClickFix on WordPress sites, Microsoft patched 80 bugs, a 14K-router botnet, Polish teens held over DDoS tools and Finland warned of Russian, Chinese espionage. North Korean IT workers for hire.

Threat actors with ties to China exploited the ToolShell security vulnerability in Microsoft SharePoint to breach a telecommunications company in the Middle East after it was publicly disclosed and patched in July 2025

Also, Colt Services Outage Persists, Finland Charges Americans in Vastaamo HackThis week, Microsoft hit RaccoonO365, Colt Technology Services, Finland charged a U.S. citizen in Vastaamo hack. RevengeHotels hackers used AI, Meta can't overturn a privacy case verdict. Chinese hackers unleashed spear phishing emails. Prosper confirmed a data breach, as did Kering fashion houses.

Defense Department Suspends, Reviews Microsoft 'Digital Escorts' ProgramThe Pentagon is reviewing Microsoft's decade-long use of "digital escorts" - U.S.-based staff who review code from Chinese engineers - into military cloud systems, a workaround now deemed a "breach of trust" that may have exposed sensitive but unclassified government data.

Journalists' Microsoft accounts were breached, which would have given attackers access to emails of staff reporters covering national security, economic policy, and China.

Also, Stolen Cookies for Sale, LexisNexis Breach and an FBI WarningThis week, Alcasec back in a Spanish jail, billions of stolen cookies and Chinese hackers used Google Calendar. LexisNexis and Adidas had breaches, a vishing warning from the FBI. ClickFix scammers used fake Google Meet pages, Victoria's Secret went offline. Microsoft will update all your software.

CISA Advisory Says Threat Actors Stole App Secrets in Azure-Hosted Backup PlatformA suspected Chinese state hacking group linked to last year’s telecom intrusions breached Commvault’s Microsoft Azure environment, exposing sensitive Microsoft 365 credentials and reigniting fears over U.S. cloud infrastructure vulnerabilities and default security settings.

The tech giant is boosting Entra ID and MSA security as part of the wide-ranging Secure Future Initiative (SFI) that the company launched following a Chinese APT's breach of its Exchange Online environment in 2023.

Microsoft warns that Chinese cyber-espionage threat group 'Silk Typhoon' has shifted its tactics, now targeting remote management tools and cloud services in supply chain attacks that give them access to downstream customers. [...]

But we mean, you've had nearly four years to patch One of the critical security flaws exploited by China's Salt Typhoon to breach US telecom and government networks has had a patch available for nearly four years - yet despite repeated warnings from law enforcement and private-sector security firms, nearly all public-facing Microsoft Exchange Server instances with this vulnerability remain unpatched.…

Also: Africa Busts Cybercrime Suspects; Many Smart Devices Lack Update TransparencyThis week, Microsoft previews its latest attempt to introduce AI-enabled Windows Recall - now with added privacy features; over 1,000 cybercrime suspects busted in Africa; regulators report "smart" device update promises often missing; and Florida IT professional caught spying for China.

Also: Chinese Cyberespionage, Defiant Cleveland, and a Spanish Ransomware AttackThis week, ONNX targeted Microsoft 365, Symantec spotted Chinese espionage, AMD may have been breached, Cleveland vowed to defy hackers, Black Basta hit a Spanish firm, Pakistani hackers targeted India, Microsoft said it fixed flaws in Azure, and the U.S. and Indonesia held a cybersecurity exercise.

A report has highlighted multiple security failings by Microsoft that allowed Chinese threat actors to access US government officials’ email accounts in the Summer of 2023

The U.S. Cyber Safety Review Board (CSRB) has criticized Microsoft for a series of security lapses that led to the breach of nearly two dozen companies across Europe and the U.S. by a China-based nation-state group called Storm-0558 last year

A federal review board demanded that the tech giant prioritize its "inadequate" security posture, putting the blame solely on the company for last year's Microsoft 365 breach that allowed China's Storm-0558 to hack the email accounts of key government officials.

Microsoft has expanded free logging capabilities for all Purview Audit standard customers, including U.S. federal agencies, six months after disclosing that Chinese hackers stole U.S. government emails undetected in an Exchange Online breach between May and June 2023. [...]

Microsoft has expanded free Purview Audit logging capabilities for all U.S. federal agencies six months after disclosing that Chinese hackers stole U.S. government emails undetected in an Exchange Online breach between May and June 2023. [...]