Latest cybersecurity reporting from selected sources.

Japan’s largest taxi operator Nihon Kotsu shut down systems after a malware attack, disrupting dispatch and bookings. Nihon Kotsu, Japan’s largest taxi company, disclosed on July 13, 2026 that its internal systems suffered an unauthorized external access involving malware infection in the early morning hours of Saturday, July 11. The company immediately shut down systems […]

Microsoft has shut down a long-running malicious extension operation on the Edge Add-ons store that hid its payloads inside ordinary image and font files, then woke up days after install to steal credentials and run ad fraud

200+ C2 servers linked to StealC and Amadey shut down

It’s Monday again

'Thousands' of US victims, including 12+ machines owned and operated by Redmond

Another week, another reminder that the internet is still a mess. Systems people thought were secure are being broken in simple ways, showing many still ignore basic advisories

Malware families like Rhadamanthys Stealer, Venom RAT, and the Elysium botnet have been disrupted as part of a coordinated law enforcement operation led by Europol and Eurojust

PLUS: Ransomware gang using tech support scam; Czechia accuses China of infrastructure attack; And more! Infosec In Brief Despite last week’s FBI announcement that it helped to take down the crew behind the Lumma infostealer, the malware continues to operate.…

Police Take Down 300 Servers Worldwide, Neutralize 650 DomainsLaw enforcement in a European-led operation against malware often used as a precursor to ransomware took down 300 servers worldwide, police said Friday. The crackdown is the latest action under Operation Endgame targeting ransomware and botnet ecosystem.

Police Take Down 300 Servers Worldwide, Neutralize 650 DomainsLaw enforcement in a European-led operation against malware often used as a precursor to ransomware took down 300 servers worldwide, police said Friday. The crackdown is the latest action under Operation Endgame targeting ransomware and botnet ecosystem.

And the associated fraud'n'spy botnet is about to be shut down The US Department of Justice has unsealed indictments against 16 people accused of spreading and using the DanaBot remote-control malware that infected more than 300,000 computers, plus operating a botnet of the same name, and appears set to shutter its operations.…

User Panels and Command and Control Domains SeizedLaw enforcement and Microsoft struck a blow against malware used to steal login credentials and financial data, seizing the central command structure and thousands of online domains used to control the Lumma Stealer. Lumma first appeared on Russian-language speaking cybercriminal forums in 2022.

Credit card theft losses in 2023 alone totaled $36.5M International cops working with Microsoft have shut down infrastructure and seized web domains used to run a distribution service for info-stealing malware Lumma. Criminals paid $250 to $1,000 a month to get access to the infostealer.…

Cyberattacks against OT/ICS engineering workstations are widely underestimated, according to researchers who discovered malware designed to shut down Siemens workstation engineering processes.

Also: Okta Alert on Credential Stuffing; Data Breaches in SpainThis week, Google AI search provided wrong answers, Internet Archive suffered DDos attack, Okta warned of credential stuffing, Canada shut down two tech firms, attackers delivered malware with Stack Overflow, Telefónica is probing breach, Iberdrola was breached and RansomHub said it hit Christie's.

'Operation Endgame' Disrupted 5 Botnets Including IcedID and SmokeLoaderAn international law enforcement operation resulted in the arrests of four botnet operators and the seizure of more than 100 servers used as infrastructure for malware dropper botnets. Armenian police arrested one person and Ukrainian police arrested three. German police are seeking eight suspects.

Europol on Thursday said it shut down the infrastructure associated with several malware loader operations such as IcedID, SystemBC, PikaBot, SmokeLoader, Bumblebee, and TrickBot as part of a coordinated law enforcement effort codenamed Operation Endgame

The previously unknown malware (aka Hidden Shovel) is a ghost in the machine: It silently attacks kernel drivers to shut down security defense systems and thus evade detection.

SentinelLabs researchers identified the malware as a new variant of AcidRain, which shut down thousands of Viasat satellites in Ukraine and Western Europe in 2022

Numerous Impediments Remain If Administrators Attempt to Reboot the OperationThe notorious ransomware-as-a-service group LockBit, disrupted by law enforcement this week, was developing a new version of its crypto-locking malware prior to being shut down, security researchers reported. Even so, experts say it's unlikely the group would be able to successfully reboot.