Hackers Use Fake Microsoft Entra Passkey Enrollment to Gain Microsoft 365 Access

A threat actor has been targeting organizations spanning multiple sectors with voice-based fake security requests that prompt Microsoft 365 users to enroll a new Entra passkey with an aim to carry out data extortion attacks. The threat actor, tracked by Okta under the moniker O-UNC-066 , has...

Ransomware Negotiator Gets 70 Months in Prison for Aiding BlackCat Attacks

A 41-year-old former ransomware negotiator has been sentenced to nearly six years i.e., 70 months in prison in the U.S. for their role in conspiring with the now-defunct BlackCat ransomware operators to extort multiple victims and working with two other cybersecurity professionals to target...

U.S. Government Entity Paid Kairos $1 Million in Data-Theft Extortion Case

A U.S. government entity paid about $1 million to keep stolen files from being leaked, according to a new case study by Rakesh Krishnan for Ransom-ISAC, built on a leaked negotiation chat and the blockchain trail the payment left. The odd part: the group that took the money calls itself Kairos ,...

Salesforce Disables Klue Integration After OAuth Token Theft Hits Customer Data

Icarus extortion group used a legacy Klue Battlecards credential to bypass security and steal bulk Salesforce records from affected companies...

Salesforce Disables Klue App Integration After OAuth Token Abuse Exposes Customer Data

Salesforce has revealed that it disabled the Klue Battlecards app integration within its platform in response to a security incident impacting the competitive intelligence company on June 11, 2026. To that end, organizations will be unable to connect to Salesforce via the app until further notice...

Kodak confirms breach as ShinyHunters’ leak threat reaches deadline

The Eastman Kodak Company Kodak confirmed to BleepingComputer that it is investigating a security breach after the ShinyHunters extortion group claimed responsibility for the incident. Kodak is the latest organization to land on the group's leak site. ShinyHunters claims it stole more than 2.2...

Cardiac patients’ medical data stolen and held to ransom

Cardiac monitoring provider iRhythm has been hit by a data theft followed by an extortion attempt. In a filing with the Securities and Exchange Commission SEC, iRhythm revealed it was contacted by someone on June 9 who claimed to have stolen sensitive information, including proprietary data,...

PT-2026-49070

🔴 ShinyHunters exploits Oracle PeopleSoft 0-day CVSS 9.8 targeting 100+ organizations Ransomware group ShinyHunters exploited CVE-2025-35273, a critical server-side request forgery vulnerability in Oracle PeopleSoft, for more than two weeks before Oracle disclosed it. The group targeted roughly 3...

The Gentlemen Ransomware Claims 478 Victims, Can Spread Like a Worm

A new analysis of The Gentlemen operation has revealed that the financially motivated threat group initially operated as an affiliate responsible for conducting double extortion attacks, while leveraging resources from various ransomware-as-a-service RaaS schemes like LockBit aka Tenacious Mantis...

Americans lost nearly $900 million to AI-powered scams, FBI says

The 2025 Federal Bureau of Investigation FBI Internet Crime Report shows that Americans reported $893,346,472 in AI‑related scam losses. Those losses stem from 22,364 AI-related complaints. And these figures represent only the reported losses, which may well be the proverbial tip of the iceberg...

UNC3753 Used Vishing and Physical Intrusions in U.S. Data Theft Extortion Campaign

Cybersecurity researchers have disclosed details of a financially motivated data theft extortion campaign that has targeted dozens of organizations across professional, legal, and financial services in the U.S. between January and May 2026. The activity has been attributed by Google Mandiant and...

New Pink Extortion Group Targets Microsoft 365 Cloud Data Via Vishing Scams

Cybersecurity researchers are warning businesses about Pink Extortion Group, a threat actor that uses voice phishing to bypass multi-factor authentication and steal files from cloud environments...

The Gentlemen ransomware: Dissecting a self-propagating Go encryptor

In this article 1. Pre-encryption 2. File encryption 3. Post-encryption 4. Defending against The Gentlemen ransomware 5. Microsoft Defender detections and hunting guidance 6. Indicators of compromise Ransomware that combines robust encryption with rapid lateral movement significantly increases th...

Grafana GitHub Token Breach Led to Codebase Download and Extortion Attempt

Grafana has disclosed that an "unauthorized party" obtained a token that granted them the ability to access the company's GitHub environment and download its codebase. "Our investigation has determined that no customer data or personal information was accessed during this incident, and we have...

Stolen Canvas data was “returned” after hacker agreement, Instructure says

The Instructure/Canvas data breach that has dominated cybersecurity coverage recently has reached a new stage. Millions of students had personal data stolen, with extortion group ShinyHunters claiming credit for the data breach and applying extra pressure for their ransom demands by bothering...

State of ransomware in 2026

With International Anti-Ransomware Day taking place on May 12, Kaspersky presents its annual report on the evolving global and regional ransomware cyberthreat landscape. Ransomware remains one of the most persistent and adaptive cyberthreats. In 2026: New families continue to emerge, adopting...

ShinyHunters escalates Canvas attacks with school login defacements

Days after confirming a major data breach, Instructure is now facing a second blow. Earlier this week, Instructure confirmed a major data breach affecting its cloud‑hosted Canvas environment, with the ShinyHunters group claiming it stole hundreds of millions of records tied to thousands of school...

2026: The Year of AI-Assisted Attacks

On December 4, 2025, a 17-year-old was arrested in Osaka under Japan’s Unauthorized Access Prohibition Act. The young man had run malicious code to extract the personal data of over 7 million users of Kaikatsu Club, Japan's largest internet cafe chain. When asked, the young man shared his...

Cybercrime Groups Using Vishing and SSO Abuse in Rapid SaaS Extortion Attacks

Cybersecurity researchers are warning of two cybercrime groups that are carrying out "rapid, high-impact attacks" operating almost within the confines of SaaS environments, while leaving minimal traces of their actions. The clusters, Cordial Spider aka BlackFile, CL-CRI-1116, O-UNC-045, and UNC66...

Two Cybersecurity Professionals Get 4-Year Sentences in BlackCat Ransomware Attacks

The U.S. Department of Justice DoJ on Thursday announced the sentencing of two cybersecurity professionals to four years each in prison for their role in facilitating BlackCat ransomware attacks in 2023. Ryan Goldberg , 40, of Georgia, and Kevin Martin , 36, of Texas, were accused of deploying th...