IT Security Newsletter - 8/17/2026
Researchers confirm breach claims by data-extortion group
Security researchers are backing claims by a newly emergent data-extortion group that it has exfiltrated sensitive data from about 15 companies, governments and other organizations. A threat group called ExfilSquad claimed on July 26 to have exfiltrated customer records and other information from a number of city governments and universities, a major public school system and private companies. READ MORE...
French tax authority admits data heist after crook touts 2M records
France's tax authority has confirmed that an intruder accessed its systems and extracted data in June after an alleged cybercriminal advertised a purported database of 2 million taxpayers. Using the alias "ZeroBytes," the alleged crook behind the attack on the General Directorate of Public Finances (DGFiP) advertised the stolen database on a cybercrime forum on Wednesday. They claimed the database contained details of more than 2 million French taxpayers. READ MORE...
Crook hawks millions of records allegedly plundered from corporate Azure tenants
A cybercrook claims to have siphoned millions of employee records from the Microsoft Azure environments of major companies including McDonald's, Vodafone, Kyndryl, and Tata Consultancy Services. The alleged haul spans nine organizations and is being advertised for sale by a threat actor using the name "TheHatman," according to research published by Hudson Rock. McDonald's accounts for the largest alleged dataset on TheHatman's shopping list, with 1.7 million records purportedly up for grabs. READ MORE...
Large-scale DDoS attacks disrupted Threema secure messaging service
Multiple distributed denial-of-service (DDoS) attacks targeted the Threema secure messaging service earlier this week, causing severe disruptions to communications. ?Organizations using Threema On-Prem did not experience any issues because they rely on their own infrastructure. In a post-mortem report on Friday, the end-to-end encrypted instant messaging service said that the attacks were difficult to defend against because the threat actor constantly changed patterns. READ MORE...
Irregular Details How a Naming Error Let AI Models Attack a Real Company
AI safety testing firm Irregular has published its account of an incident in which models being evaluated inside one of its testing environments took offensive security actions against real systems rather than the simulated targets they were meant to attack. The Israeli company has been in the news in recent weeks after it came to light that AI models it tested on behalf of OpenAI, Anthropic, and Meta escaped their test environments and carried out real-world attacks. READ MORE...
Philips and GE investigating Clop ransomware data theft claims
Tech giants General Electric (GE) and Philips have also confirmed they're investigating claims that the Clop ransomware gang breached their systems and stole data. While a GE spokesperson said the company is aware of the claim and is "working to assess the potential issue," a Philips spokesperson confirmed its systems were breached but said the incident has been contained and didn't affect customers. READ MORE...
Suspecting court of using AI, man injected prompts in filings to try to win case
A judge has identified what appears to be the first time a US plaintiff has attempted to hide text in court filings that only an artificial intelligence system can read in a bid to win a case. In a decision published last week, Connecticut judge Walter Spader Jr. confirmed that the hidden text had no impact in a case where a man alleged a healthcare provider was improperly withholding access to records. READ MORE...
Why Facebook's war on ad blockers could help scammers
Reports that uBlock Origin is stepping back from the never-ending effort to filter Facebook ads are a reminder that ad blocking is no longer only an argument about inconvenience, publishers, and lost advertising revenue. It is also an issue of security. For years, ad blockers have occupied an uncomfortable place in the web economy. Publishers and platforms rely on advertising to fund their services, while users install blockers to escape it. READ MORE...
Vulnerability giving attackers full control of Macs is under active exploitation
Dutch officials have warned that a high-severity macOS vulnerability that allows attackers to execute malicious code is under active exploitation. "The NCSC has received a notification indicating that active abuse of this vulnerability has been observed on multiple systems on which port 5900 was accessible from the Internet," the Netherlands National Cyber Security Centrum warned earlier this week. READ MORE...
Windows 11's strongest security defenses can be bypassed without a screwdriver
Researchers from the University of Birmingham and Durham University have found a way to knock down some of the toughest protections in Windows 11 without physically opening or modifying the target machine. The attack assumes the attacker has already gained privileged access to the system. The attack, named "Download More RAM," targets a small configuration chip found on Dual In-line Memory Modules (DIMMs), the RAM sticks inside most desktops and laptops. READ MORE...
Critical SAP Commerce Cloud Vulnerability Exploited 3 Days After Disclosure
Hackers started exploiting a critical vulnerability in SAP Commerce Cloud just three days after its public disclosure, according to threat intelligence organizations. The vulnerability is tracked as CVE-2026-58231 and is described as an issue involving insufficient authorization checks and input validation. An attacker can exploit the vulnerability, which has a CVSS score of 10, to execute arbitrary code and compromise internal components. READ MORE...
- ...in 1827, American folk hero and politician Davy Crockett is born in Greene County, TN.
- ...in 1943, actor Robert De Niro ("Taxi Driver", "Godfather Part II") is born in New York City.
- ...in 1945, George Orwell's satirical novella "Animal Farm" is published in the UK.
- ...in 2008, American swimmer Michael Phelps wins a world-record eight gold medals in a single Olympic Games.






