Latest cybersecurity reporting from selected sources.

Chinese-Linked Malware Campaign Targets Critical Environments With Weak MonitoringU.S. and Canadian cyber authorities say Chinese state-backed actors used a backdoor dubbed BRICKSTORM to maintain long-term access into critical infrastructure, exploiting VMware environments to exfiltrate credentials and evade detection through encrypted covert channels.

Attackers Use ASCII Characters to Create Tough-to-Spot QR Codes, Barracuda WarnsAttackers are moving beyond using QR code images added to phishing emails to trick victims into visiting malicious sites, and using ASCII "full block" characters to build working QR codes designed to evade optical character recognition defenses, warns cybersecurity firm Barracuda Networks.

Firewalls, VPNs and Email Filter Resist Endpoint ScanningState-sponsored hackers have responded to improved network scanning by shifting their focus to edge devices characterized by patchy endpoint detection and proprietary software that hinders forensic analysis, warns Mandiant. "Attackers are focusing more on evasion," it says in a report.

Data-Poisoning Attacks Are Critical Threat to Machine Learning Security, NIST WarnsMachine learning systems continue are vulnerable to cyberattacks that could allow hackers to evade security and prompt data leaks, scientists at the National Institute of Standards and Technology warned. There is "no foolproof defense" against some of these attacks, researchers said.