Latest cybersecurity reporting from selected sources.

Also, Arch Linux Attack, Estonia Quarantines Russian Emails, Joomla FlawThis week, ShinyHunters leaked alleged Madison Square Garden data, a U.S. senator pressed CISA on regional staffing cuts, an Arch Linux supply-chain attack, Mackay Sugar began recovery from a ransomware attack, Novo Nordisk faced dueling breach claims - and more compelling cybersecurity news.

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: US' Multi-Million Dollar Scam Funds SeizureIran exchange leak raises sanctions risks, $580M frozen in scam crackdown, $61M romance scam funds seized, feds seek $327K in dating scam case, Russia exploit broker sanctioned, South Korean wallet recovery phrase exposure and arrest in custody bitcoin theft, Axiom data misuse and Uniswap lawsuit ends.

Revenue From Supply-Chain Attacks by Clop Group Sharply Fell, Report InvestigatorsOnce lucrative steal-and-leak campaigns pioneered by Russian ransomware group Clop look set to go the way of the dinosaurs. While an estimated 25% of victims paid a ransom in the inaugural campaign five years ago, the number of victims that paid fell to zero by 2023, report ransomware responders.

Russia-Linked Ransomware Group Dumps Customer Data After Failed Extortion AttemptUnder Armour may trade on the "blood, sweat, respect" slogan, but a Russia-linked ransomware group hasn't been abiding, after they stole data pertaining to 72.7 million of the athleisure giant's customers, then leaked it on darkweb sites after saying the retailer refused to pay a ransom.

Ransomware Group Lynx Reportedly Stole 4TB of DataThe U.K. Ministry of Defense is investigating an apparent data breach by Russian-speaking ransomware hackers of a building facilities contractor with ties to the military. The Lynx ransomware group posted on its darkweb site samples of what it says is 4 terabytes of data stolen from the Dodd Group.

Also: Spain Defies Pressure to Eject Huawei, Hackers Leak North Korea Kimsuky DataThis week, Norway said Russian hackers attacked a flood gate, Spain defied pressure to eject Huawei, a cyberattack against the Office of the Pennsylvania Attorney General. Hackers leaked stolen North Korean Kimsuky data, Microsoft patched a Kerberos zero-day and a big Chrome bug bounty.

Also: Ukrainian Hackers Find Evidence of Russian Child AbductionThis week, a Chinese duo arrested in Los Angeles for illegal artificial intelligence chip exports back to China, France extradited an accused Nigerian hacker, Ukraine hacked Crimean servers, Florida prison email leak, Tea App clone exposed users’ IDs.

Spear-Phishing Campaign Used RomCom Malware VariantA phishing campaign wielding malware previously associated with Russian-speaking hackers targeted the U.K. Ministry of Defense in late 2024. It is unclear if the campaign is tied to a data leak of 600 armed personnel, civil servants, and defense contractors reported late last year.

After Disrupting Ascension Health, Black Basta Forecast Reprisals From FBI, Moscow"We are pentesters, not murderers," ransomware group Black Basta claimed in its negotiations with victim Ascension Healthcare in May 2024, after its attack led to widespread disruptions and patient safety alerts. Leaked chat logs reveal the group feared resulting reprisals from the FBI and Moscow.

'He Is an Idiot,' Dissatisfied Hacker Writes of BossTwo hundred thousand internal chat messages from the Russian ransomware group Black Basta have been leaked online, supposedly in reprisal for the operation targeting Russian banks. The partial logs, spanning 13 months, detail negotiations with victims, ransoms paid, internal disagreements and more.

Hackers Part of Callisto and Armageddon GroupsThe European Union sanctioned four Russian domestic intelligence agency hackers including two military officers who participated in what researchers have described as "hack and leak" operations. Also coming under sanctions are ransomware hackers part of the Wizard Spider criminal group.

Russian-Speaking Gang Follows Typical Playbook; Critical Services Still DisruptedThe ransomware attack that disrupted U.K. pathology services provider Synnovis, continuing to cause thousands of canceled and delayed operations and appointments across London, reportedly featured a $50 million ransom demand from attackers, backed by the typical threat to leak stolen data.

Cyberespionage, Hack-and-Leak and Disinformation Are All PossibilitiesRussia-aligned actors, including intelligence agency threat actors and hacktivists, are at high risk for carrying out cyberattacks and disinformation campaigns against organizations linked to the Paris Olympics, warn leading security firms.

Canadian Retail Pharmacy Chain Says It's Reviewing Exposed Data on Gang's Leak SiteLockBit has begun to leak on its dark web site files of data the Russian-speaking cybercriminal gang claims to have stolen in an April attack on London Drugs. The group had threatened to publish the exfiltrated data if the Canadian retail pharmacy chain does not pay a $25 million ransom demand.

Experts See Surge in Attacks, Including in Russia, Using Leaked LockBit CodeWhat do a German healthcare network, a Russian security company and an American bridal clothing retailer have in common? All seem to have been compromised in recent months by attackers who wielded LockBit crypto-locking malware - but who weren't tied to the actual LockBit operation.

Defense Minister Pistorius Says Leak Caused by Webex 'Application Error'German Minister of Defense Boris Pistorius on Tuesday said the recent leak of intercepted military data was the result of an "application error" and not caused by a system compromise by Russian hackers. Pistorius also said the country is continuing to examine the incident further.

After Operation Cronos, LockBit Leader LockBitSupp's Vows to Continue HackingRussian-speaking ransomware operation LockBit reestablished a dark web leak site Saturday afternoon, posting a lengthy screed apparently authored by its leader, who vowed not to retreat from the criminal underground world. The FBI had no comment.

LockBit Leader Vows to Continue HackingRussian-speaking ransomware operation LockBit reestablished a dark web leak site Saturday afternoon, posting a lengthy screed apparently authored by its leader, who vowed not to retreat from the criminal underground world. The FBI had no comment.

3 Suspects Charged With Using Sugar Ransomware, Phishing Attacks Against RussiansRussian authorities have reportedly arrested three accused members of the SugarLocker ransomware-as-a-service operation. Their alleged crime? Targeting Russians, although one suspect has also been tied to a massive hack of Australian health insurer Medibank and subsequent data leak.