Latest cybersecurity reporting from selected sources.

MicroWorld Technologies, the maker of the eScan antivirus product, has confirmed that one of its update servers was breached and used to distribute an unauthorized update later analyzed as malicious to a small subset of customers earlier this month. [...]

Supply chain breach in eScan antivirus distributes multi-stage malware via legitimate updates

Also, Microsoft Badly Patches LNK Flaw, Australian Sentenced for 'Evil Twin' HackThis week, the React flaw, a belated Windows fix, Defense Secretary Pete Hegseth's Signal group posed operational risk, more North Korean npm packages. An Australian jailed for Wi-Fi "evil twin" crimes. The US FTC will send $15.3 million to Avast users. A London council said attackers stole data.

Symantec Says It Spotted Likely Supply Chain HackSuspected Chinese state-linked hackers reportedly breached a Russian IT service provider in an espionage campaign targeting government-related networks. Symantec uncovered Chinese hackers they named Jewelbug, infiltrating a Russian company between January and May.

The threat actor known as TA558 has been attributed to a fresh set of attacks delivering various remote access trojans (RATs) like Venom RAT to breach hotels in Brazil and Spanish-speaking markets

A cyber espionage group known as Earth Ammit has been linked to two related but distinct campaigns from 2023 to 2024 targeting various entities in Taiwan and South Korea, including military, satellite, heavy industry, media, technology, software services, and healthcare sectors

Threat actors with links to the Play ransomware family exploited a recently patched security flaw in Microsoft Windows as a zero-day as part of an attack targeting an unnamed organization in the United States

Attackers aren’t waiting for patches anymore — they are breaking in before defenses are ready. Trusted security tools are being hijacked to deliver malware. Even after a breach is detected and patched, some attackers stay hidden

The Russia-linked threat actor known as Gamaredon (aka Shuckworm) has been attributed to a cyber attack targeting a foreign military mission based in Ukraine with an aim to deliver an updated version of a known malware called GammaSteel

New ESET research reveals that 73% of UK educational institutions experienced at least one cyber-attack or breach in the past five years

Hackers breached ESET's exclusive partner in Israel to send phishing emails to Israeli businesses that pushed data wipers disguised as antivirus software for destructive attacks. [...]

Also: US Fingers Russian GRU Hackers; Ohio City Sues ResearcherThis week, YubiKey 5 has a flaw, an Ohio city sued a researcher, the Irish regulator ended its GrokAI case, open-source AI tools exposed data, Starlink blocked X in Brazil, FCC banned Kaspersky, Intel addressed a researcher's claim, and Transport of London is still affected by a cyber incident.

Also: Chinese Cyberespionage, Defiant Cleveland, and a Spanish Ransomware AttackThis week, ONNX targeted Microsoft 365, Symantec spotted Chinese espionage, AMD may have been breached, Cleveland vowed to defy hackers, Black Basta hit a Spanish firm, Pakistani hackers targeted India, Microsoft said it fixed flaws in Azure, and the U.S. and Indonesia held a cybersecurity exercise.

Also: Hacker Sells Data Obtained Through Snowflake AttackThis week, Microsoft deprecated NTLM authentication, a hacker put apparently stolen Snowflake data up for sale, Ticketmaster confirmed its breach, Cisco patched Webex vulnerabilities, pro-Russian hacktivists claimed a DDoS attack in Spain and Kaspersky launched a free virus removal tool for Linux.

The Russia-linked threat actor known as Turla infected several systems belonging to an unnamed European non-governmental organization (NGO) in order to deploy a backdoor called TinyTurla-NG

Also: Avast Agrees to $16.5 Million Civil Penalty to Settle Privacy InvestigationThis week: more fallout from LockBit, Avast to pay $16.5M, Russia-linked group targeted mail servers, no indication that AT&T was hacked, analysis of a patched Apple flaw, Microsoft enhanced logging, an Android banking Trojan, North Korean hackers and a baking giant fell to ransomware.

Lazarus, the prolific North Korean hacking group behind the cascading supply chain attack targeting 3CX, also breached two critical infrastructure organizations in the power and energy sector and two other businesses involved in financial trading using the trojanized X_TRADER application

The X_Trader software supply chain attack that led to last month's 3CX breach has also impacted at least several critical infrastructure organizations in the United States and Europe, according to Symantec's Threat Hunter Team. [...]

ESET warns of breach risk from kit that is not properly decommissioned

The adversary behind the supply chain attack targeting 3CX deployed a second-stage implant specifically singling out a small number of cryptocurrency companies