Latest cybersecurity reporting from selected sources.

Learn how attackers abuse Entra ID through a free hands-on Capture the Flag. Varonis created the Breach at the Beach CTF to teach defenders how to investigate Entra ID attack techniques using realistic scenarios. [...]

Investigators Found Months of Unchecked Database Scraping ActivitySouth Korea's privacy regulator fined Coupang a record 624.7 billion won after concluding that weak authentication controls, insider access abuse, evidence destruction and unauthorized data collection contributed to the exposure of personal information belonging to 33.7 million people.

Maine has taken its public data breach reporting portal offline after fraudulent breach disclosures were published on the state's website, prompting a review of procedures to prevent abuse in the future. [...]

CEO suspects silicon sidekick behind 'surprising velocity' breach - cyber crims shop stolen data for $2M Vercel's CEO reckons the crooks behind its recent breach likely had a helping hand from AI, saying the attackers moved with "surprising velocity" and a deep understanding of the company's infrastructure.…

Some weeks in security feel normal. Then you read a few tabs and get that immediate “ah, great, we’re doing this now” feeling

Security Experts See Coincidental Timing After Leak of Scraped Instagram User DataInstagram said a massive wave of password reset emails sent to its users traced to malicious abuse of a legitimate feature, but didn't result from any breach of its systems. Separately, security experts said a threat actor leaked 6.2 million users' email addresses, among other account information.

Ubisoft's Rainbow Six Siege (R6) suffered a breach that allowed hackers to abuse internal systems to ban and unban players, manipulate in-game moderation feeds, and grant massive amounts of in-game currency and cosmetic items to accounts worldwide. [...]

Coupang disclosed a data breach affecting 33.7 million customers after unauthorized access to personal data went undetected for nearly five months. Penta Security explains how the incident highlights insider credential abuse risks and why encrypting customer data beyond legal requirements can reduce exposure and limit damage. [...]

HHS Shifts 42 CFR Enforcement Duties to Office of Civil Rights Amid Massive ReorgThe U.S. Department of Health and Human Services has put its Office for Civil Rights in charge of investigating and penalizing organizations that breach the confidentiality of substance abuse disorder records. Some fear the agency doesn't have the bandwidth to enforce both HIPAA and 42 CFR Part 2.

Microsoft has shed light on a previously undocumented cluster of threat activity originating from a Russia-affiliated threat actor dubbed Void Blizzard (aka Laundry Bear) that it said is attributed to "worldwide cloud abuse." Active since at least April 2024, the hacking group is linked to espionage operations mainly targeting organizations that are important to Russian government objectives,

In what experts are calling a novel legal outcome, the 22-year-old former administrator of the cybercrime community Breachforums will forfeit nearly $700,000 to settle a civil lawsuit from a health insurance company whose customer data was posted for sale on the forum in 2023. Conor Brian Fitzpatrick, a.k.a. "Pompompurin," is slated for resentencing next month after pleading guilty to access device fraud and possession of child sexual abuse material (CSAM).

It wasn't ransomware headlines or zero-day exploits that stood out most in this year's Verizon 2025 Data Breach Investigations Report (DBIR) — it was what fueled them. Quietly, yet consistently, two underlying factors played a role in some of the worst breaches: third-party exposure and machine credential abuse

Ransomware gangs like BianLian and Rhysida increasingly use Microsoft's Azure Storage Explorer and AzCopy to steal data from breached networks and store it in Azure Blob storage. [...]

The infamous Lazarus Group actor has been targeting vulnerable versions of Microsoft Internet Information Services (IIS) servers as an initial breach route to deploy malware on targeted systems

ASUS routers have emerged as the target of a nascent botnet called Cyclops Blink, almost a month after it was revealed the malware abused WatchGuard firewall appliances as a stepping stone to gain remote access to breached networks

Part I of this series examined newly-leaked internal chats from the Conti ransomware group, and how the crime gang dealt with its own internal breaches. Part II explored what it's like to be an employee of Conti's sprawling organization. Today's Part III looks at how Conti abused a panoply of popular commercial security services to undermine the security of their targets, as well as how the team’s leaders strategized for the upper hand in ransom negotiations with victims.