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Microsoft has observed a surge in attacks using the ACR Stealer malware to steal browser-stored passwords, authentication tokens, and sensitive documents from its enterprise customers. [...]
A new multi-purpose backdoor allows cyber threat actors to conduct both quiet espionage activity and destructive wiping operations
ReliaQuest report warns of a surge in ClickFix social engineering attacks against Windows and macOS users
An NCC Group report warns state-backed hackers are attempting to hide activity by posing as ransomware groups and deploying commercially available malware
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
Microsoft Detection and Response Team (DART) details how it has uncovered malicious AI applications as cyber criminals manipulate organizations adopting AI tools
ACSC warns over a campaign targeting organizations which uses ClickFix to deliver Vidar infostealer malware
The Australian Cyber Security Center (ACSC) is warning organizations of an ongoing malware campaign using the ClickFix social engineering technique to distribute the Vidar Stealer info-stealing malware. [...]
Cybersecurity agencies in the U.S. and U.K. are warning about a custom malware called Firestarter persisting on Cisco Firepower and Secure Firewall devices running Adaptive Security Appliance (ASA) or Firepower Threat Defense (FTD) software. [...]
Investigators found the malware, dubbed Firestarter, on a federal agency's network in a campaign dating back to at least September 2025. The post US, UK agencies warn hackers were hiding on Cisco firewalls long after patches were applied appeared first on CyberScoop.
Microsoft is calling attention to a new campaign that has leveraged WhatsApp messages to distribute malicious Visual Basic Script (VBS) files
Microsoft has warned of fresh campaigns that are capitalizing on the upcoming tax season in the U.S. to harvest credentials and deliver malware
The U.S. Federal Bureau of Investigation (FBI) warned network defenders that Iranian hackers linked to the country's Ministry of Intelligence and Security (MOIS) are using Telegram in malware attacks. [...]
Darksword is the second iOS exploit chain in a month A new exploit kit targeting iPhone users and stealing their sensitive data is being abused by "multiple" spyware vendors and suspected nation-state goons, security researchers said on Wednesday.…
Microsoft on Monday warned of phishing campaigns that employ phishing emails and OAuth URL redirection mechanisms to bypass conventional phishing defenses implemented in email and browsers
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has released new details about RESURGE, a malicious implant used in zero-day attacks exploiting CVE-2025-0282 to breach Ivanti Connect Secure devices. [...]
A "coordinated developer-targeting campaign" is using malicious repositories disguised as legitimate Next.js projects and technical assessments to trick victims into executing them and establish persistent access to compromised machines
$20M Stolen Last Year in Malware-Driven Jackpotting Attacks, Warns FBIMalware-wielding criminals "jackpotted" ATMs across the United States last year to walk away with $20 million thanks to "cash-out" attacks. Tracking that collective haul, the FBI said such attacks are on the rise, and urged operators to implement a range of physical and hardware-level defenses.
FBI warns these cyber-physical attacks are on the rise Thieves stole more than $20 million from compromised ATMs last year using a malware-assisted technique that the FBI says is on the uptick across the United States.…
Accenture Cybersecurity warns over difficult to detect, “sophisticated toolset” being deployed as part of extortion campaigns