Latest cybersecurity reporting from selected sources.

Governments Cite Winter Hack of Polish Power Grid and CyberespionageA winter Russian intelligence hack of the Polish energy grid and a protracted campaign of cyberespionage are behind coordinated sanctions against Moscow's intelligence apparatus announced Monday by the European Union and the United Kingdom.

Also: Zcash Patches Flaw, $32M Humanity Protocol HackThis week, a key player in a $97M laundering scheme got prison time, Humanity Protocol suffered $32M in losses, Zcash patched a flaw, the EU targeted crypto platforms tied to Russia, authorities froze $3.8M in illicit funds and researchers exposed a Trezor chip weakness.

Also, Europol Cracks DDoS Networks, Mythos Finds Bugs, France Portal HitThis week, scam compounds. Attackers exploit flaws pre-disclosure. A crackdown on DDoS-for-hire. No Mythos for CISA, yes for Mozilla. France ID portal breach. Israeli and Venezuelan critical infrastructure targeted. Russian hacking in Ukraine. An Apache flaw. A ransomware negotiator aided BlackCat.

Nation-State Hits Now Comprise Majority of Serious Incidents Probed by GovernmentBritish intelligence officials said they investigate about four major incidents per week, with the majority involving nation-state actors. Officials said the shape and scope of how cyberattacks are being wielded by the nation's adversaries continues to change as fast as the technology evolves.

Also, Lloyds Data Leak, Dutch Treasury Breach, Citrix Bug Exploit, Pay2Key ActivityThis week, Lloyds data leak hits 450K, Dutch treasury breach, Citrix flaw exploited, Iran-linked ransomware ops, TrueConf zero-day, Russian fraud ring sentenced, Romania targeted, patch gaps persist, and U.S. hospital breach affects 257K.

Also: Spanish Hacker Granted Russian Asylum, Microsoft Patches Zero-DaysThis week, a CISA warning, Nest footage in Nancy Guthrie case, Signal phishing. Spanish hacker, Russian asylum. Spanish ministry services offline. BYOVD ransomware. The Conduent breach hit Volvo. Microsoft patched zero-days. ZeroDayRAT targeted devices. The SmarterMail breach. Another Fortinet flaw.

Russian Hacking Shows Limits of Preventive MeasuresEurope must step up its active defenses against cyberattacks and modernize its IT infrastructure, a leading expert has warned in the wake of a major attack on Poland's energy grid attributed to Russian hackers.

Hackers Target French Interior Ministry, Germany Summons Russian AmbassadorThe French Ministry of Interior is investigating a suspected nation-state cyberattack that targeted its email server. Additionally, the German government on Friday attributed a 2024 hacking incident on air traffic control systems to Russian nation-state hackers.

Ukrainian National Twice Indicted in Los Angeles for Pro-Russian HackingU.S. and allied agencies warned of low-skill Russian-linked hacktivists breaching critical infrastructure by exploiting weak remote access tools, as federal prosecutors charged a Ukrainian national with helping orchestrate operations targeting water and energy systems.

High-Profile Case Ends After Judge Guts SEC’s Cyber Fraud AllegationsThe SEC has dropped its remaining claims against SolarWinds and CISO Tim Brown, ending a controversial cyber fraud lawsuit that aimed to expand securities law to cover operational security failures tied to the 2020 Russian hacking campaign.

Suspect May Be Military Officer Indicted by US for 2016 Election InterferencePolice in Thailand have arrested a Russian citizen suspected of launching hack attacks against targets around the world, who's wanted by the FBI. While the suspect hasn't been named, his age matches that of a Russian military intelligence officer indicted for 2016 U.S. election interference.

Nation-State Teams Tied to Grain Sector Targeting, Plus More Joined-Up OperationsRussia's nation-state hacking groups have returned to pummeling Ukrainian targets with destructive, wiper malware, including in apparent attempts to disrupt its economically valuable grain sector, alongside the repeat targeting of allied European nations, researchers report.

Chinese Hackers Target European Diplomats with LNK File FlawChinese nation-state hackers are exploiting a Windows vulnerability to hack European diplomatic outposts, say security researchers - but operating system giant Microsoft says the flaw doesn't merit a patch. Hackers used a flaw already compromised by North Korea and Russia.

Everest Extortion Group Lists Dublin AirportA Russian data extortion group threatened Sunday to release passenger data putatively stolen from the Dublin Airport days after its operator said it investigated a breach stemming from a September cybersecurity incident that affected airports across Europe.

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.

ENISA: Nation-State Hacking 'Steadily Intensified' Over 12-Month PeriodNearly every member government of the European Union experienced a cyberattack from a nation-state hacker in the 12 months ending in July, primarily from Russian and Chinese threat actors who "steadily intensified" hacking, says the European cyber agency.

First-Ever Malware Tie-Up Spotted Between FSB's Turla and Gamaredon Hacking GroupsTwo long-running advanced persistent threat groups tied to Russia's Federal Security Service, the FSB, called Turla and Gamaredon, appear for the first time to be running a joint cyberespionage operation using their separate malware arsenals, designed to hit high-value targets in Ukraine.

US Reportedly Blames Kremlin for Major Breach Affecting Court Management SystemU.S. Department of Justice officials were reportedly recently informed that "persistent and sophisticated cyberthreat actors have recently compromised sealed records" in a widespread attack on a court management system containing sensitive records with potential national security implications.

RomCom Group Deployed SnipBot, RustyClaw and Mythic Agent VariantsA Russian speaking hacking group is exploiting a zero-day flaw in WinRAR, a sign of the group's growing sophistication and evolution from a cybercrime outfit into a cyberespionage operation. The campaign exploited a vulnerability now tracked as CVE-2025-8088, a path traversal vulnerability.

NCSC-NL Says Hack of Citrix NetScaler Flaw Also Targeted Critical InfrastructureA preliminary assessment by the Dutch NCSC into a suspected Russian hacking campaign has concluded that more than one group likely carried out the May breach of the country’s law enforcement network. Investigators say hacks of Citrix NetScaler flaw also targeted critical infrastructure.