The recent large scale supply chain attack conducted via multiple CDNs, namely Polyfill.io, BootCDN, Bootcss, and Staticfile that affected up to tens of millions of websites has been traced to a common operator. Researchers discovered a public GitHub repository with leaked API keys helping them draw a conclusion. [...]

Geisinger, a prominent healthcare system in Pennsylvania, has announced a data breach involving a former employee of Nuance, an IT services provider contracted by the organization. [...]

The BlackSuit ransomware gang claimed a recent cyberattack on KADOKAWA corporation and is now threatening to publish stolen data if a ransom is not paid. [...]

A threat actor tracked as Unfurling Hemlock has been infecting target systems with up to ten pieces of malware at the same time in campaigns that distribute hundreds of thousands of malicious files. [...]

The U.S. indicted Russian national Amin Timovich Stigal for his alleged role in cyberattacks targeting Ukrainian government computer networks in an operation from the Russian foreign military intelligence agency (GRU) prior to invading the country. [...]

The remote access software company TeamViewer is warning that its corporate environment was breached in a cyberattack yesterday, with a cybersecurity firm claiming it was by an APT hacking group. [...]

Microsoft pulled the June Windows 11 KB5039302 update after finding that it causes some devices to restart repeatedly. [...]

A critical vulnerability is affecting certain versions of GitLab Community and Enterprise Edition products, which could be exploited to run pipelines as any user. [...]

The owners of Polyfill.io have relaunched the JavaScript CDN service on a new domain after polyfill.io was shut down as researchers exposed it was delivering malicious code on upwards of 100,000 websites.. The Polyfill service claims that it has been "maliciously defamed" and been subject to "media messages slandering Polyfill." [...]

Cloudflare, a lead provider of content delivery network (CDN) services, cloud security, and DDoS protection has warned that it has not authorized the use of its name or logo on the Polyfill.io website, which has recently been caught injecting malware on more than 100,000 websites in a significant supply chain attack. [...]

Cyberespionage groups have been using ransomware as a tactic to make attack attribution more challenging, distract defenders, or for a financial reward as a secondary goal to data theft. [...]

Recently-disrupted LockBit ransomware group, in a desperate attempt to make a comeback, claimed this week that it had hit the Federal Reserve, the central bank of the United States. Except, the rumor has been quashed. [...]

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has published research looking into 172 key open-source projects and whether they are susceptible to memory flaws. [...]

The Fortra FileCatalyst Workflow is vulnerable to an SQL injection vulnerability that could allow remote unauthenticated attackers to create rogue admin users and manipulate data on the application database. [...]

Threat actors are attempting to exploit a critical authentication bypass flaw impacting Progress MOVEit Transfer, which the vendor disclosed yesterday. [...]

Microsoft has released the Windows 11 KB5039302 preview update for Windows 11 version 22H2, bringing several new features and fixes. [...]

Microsoft has released the KB5039299 update for Windows 10 version 22H2 with up to ten bug fixes or changes, including a fix for "Open With" dialog boxes being shown when using apps. [...]

A novel Android attack vector from a piece of malware tracked as Snowblind is abusing a security feature to bypass existing anti-tampering protections in apps that handle sensitive user data. [...]

A threat actor modified the source code of at least five plugins hosted on WordPress.org to include malicious PHP scripts that create new accounts with administrative privileges on websites running them. [...]