Major Cyber Attacks, Ransomware Attacks and Data Breaches of June 2025

by CybrGPT
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According to a recent report, a little-known hacking group, Black Owl, has emerged as a major threat to Russian state institutions and critical industries. The group is reportedly carrying out cyber attacks intended to cause maximum disruption while also seeking financial gain.

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Google warned that a cyber criminal operation known as “The Com” is tricking companies into giving them widespread access to a popular Salesforce tool, allowing them to steal sensitive data and move through other parts of the organisations.

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According to newly released FBI data, the Play ransomware gang has targeted over 900 organisations since its emergence in 2022, establishing itself as one of the most dangerous active cyber crime groups.

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Scammers used phishing to steal £47 million by posing as taxpayers and targeting 100,000 HMRC accounts in a rebate fraud—though no customer funds were lost, arrests were made, and HMRC clarified it was not a cyber or hacking attack like recent ones on major retailers.

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A newly released report reveals that a cyberespionage group suspected of links to Iran, known as BladedFeline—a likely subgroup of OilRig—has been targeting Kurdish and Iraqi government officials in a prolonged spying campaign, according to cybersecurity firm ESET.

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A report said that the “Russian Market” cyber crime marketplace has become a leading hub for trading credentials stolen through information-stealing malware.

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Arkana Security briefly relisted over 569 GB of Ticketmaster data—originally stolen in Snowflake breaches tied to ShinyHunters in 2024—for sale again over the weekend, reigniting concerns about widespread exposure of customer ticketing and personal information.

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AI is being called a “data‑breach time‑bomb” after a Varonis report found that 99% of organisations expose sensitive information across clouds, apps, and AI copilots—making a single prompt capable of leaking critical data.

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A recent Coinbase data breach was linked to India-based TaskUs support staff who were bribed by threat actors to leak user data, with two employees admitting to the scheme after one was caught photographing her screen.

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Google’s Threat Intelligence Group has linked voice phishing attacks by hackers posing as ShinyHunters to attempts at stealing data from Salesforce platforms by tricking employees into using a tampered Data Loader tool.

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OpenAI dismantled multiple ChatGPT accounts linked to state-backed hackers and disinformation campaigns from countries including China, Russia, North Korea, Iran, and the Philippines, citing misuse for malware development, influence operations, and employment scams.

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The NHS is urgently calling for 1 million blood donors as stocks remain critically low due to last year’s ransomware attack on Synnovis by the Qilin group, which disrupted pathology services and led to overuse of O-type blood, while over 900,000 patients’ sensitive medical data remains compromised and many still await breach notification.

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Kazakhstan has arrested over 140 individuals, including business owners and Telegram channel admins, for allegedly selling citizens’ personal data from government databases, with some of the stolen info shared with debt collectors and over 400 devices seized in the crackdown.

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A massive Google Cloud outage on June 12 disrupted core services—API management failures caused widespread outages across Gmail, Drive, Cloudflare-integrated services, and other critical platforms for over three hours before recovery

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Victoria’s Secret has fully restored its critical systems and e-commerce platform following a May 24 cyber attack that forced a three-day shutdown—though it continues to assess financial impacts and incurred remediation costs.

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The hacker group Rare Werewolf has targeted hundreds of devices in Russia, Belarus, and Kazakhstan—mainly in industrial firms and engineering schools—using phishing emails to deploy XMRig cryptomining malware via malicious attachments, Kaspersky reports

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Cyber crime group FIN6 (aka Skeleton Spider) is impersonating job seekers on LinkedIn and Indeed to trick recruiters into opening phishing emails containing the MoreEggs backdoor, marking a shift from their usual payment card and PoS data theft operations, according to DomainTools.

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Google has warned that the Scattered Spider hacking collective (aka UNC3944) is now targeting U.S. insurance companies—using sophisticated social‑engineering techniques on help desks and call centers to breach sensitive corporate systems

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Singapore led a multinational law enforcement operation across seven Asian jurisdictions—including Hong Kong, South Korea, Malaysia, the Maldives, Thailand, and Macao—that investigated 33,900 suspects tied to over 9,200 scams (including investment fraud, fake job sites, and pig butchering), arrested more than 1,800 individuals, froze 32,000 scam-linked bank accounts, and seized $20 million, in response to an estimated $225 million in total victim losses.

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Belarusian hacktivists known as the Cyber Partisans publicly taunted Kaspersky—mocking the firm’s detailed report on their cyber attacks by suggesting it was merely a self-serving defence of its outdated security tools—asserting they remain undeterred and even grateful for the unintended attention

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A Fog ransomware attack on an Asian financial institution stood out due to the unusual use of legitimate employee monitoring software (Syteca) and rare pentesting tools (like GC2), raising concerns that the operation may have been a front for espionage rather than a typical ransomware campaign.

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In a court filing, privacy ombudsman Neil Richards urged that bankrupt genomics firm 23andMe should have obtained separate and affirmative consent from customers before selling their sensitive genetic data — a move prompted by consumer concerns, spikes in deletion requests following a 2023 hack and the company’s March bankruptcy, and criticism from lawmakers, as 23andMe’s prior privacy updates were deemed unclear and possibly conflicting with its public assurances.

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The UK’s Information Commissioner fined genetic testing firm 23andMe £2.31 million for “profoundly damaging” security failures that exposed sensitive genetic, health, and personal data of over 150,000 UK users during a 2023 credential-stuffing breach.

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Google warned that the notorious Scattered Spider (aka UNC3944) hacker group—recently linked to major retail breaches—has now shifted its focus to the insurance sector in the U.S., targeting help desks and call centers with sophisticated social‑engineering attacks to infiltrate networks and access sensitive customer data.

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Radware reported that the pro-Cambodian hacktivist group AnonsecKh (aka Bl4ckCyb3r) launched at least 73 DDoS and defacement attacks on Thai government and private-sector websites following a border skirmish on May 28, intensifying operations amid rising military tensions.

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Krispy Kreme confirmed that a November 2024 cyber attack—claimed by the Play ransomware gang—compromised the personal data of around 161,676 people (predominantly employees and family members), including SSNs, driver’s licenses, payment details, health and biometric records, disrupted online ordering, and led to over $11 million in losses.

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Researchers from Recorded Future and Resecurity discovered that threat actor Brigada Cyber PMC used the Redline infostealer to hack a Paraguayan government official’s device, leading to the leak of personal data belonging to 7.4 million citizens on dark web forums.

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North Korea’s BlueNoroff APT (aka TA444) used deepfake videos of company executives during fake Zoom calls in June 2025 to trick employees into installing custom macOS malware aimed at cryptocurrency theft.

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Cloudflare mitigated a record-breaking 7.3 Tbps DDoS attack in mid-May that flooded a hosting provider with 37.4 TB of data in just 45 seconds, using a global, automated defence system to block traffic from over 122,000 IPs across 161 countries.

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A recent “16 billion credentials” leak isn’t a fresh breach but a massive compilation of old passwords stolen over years via infostealer malware and credential-stuffing attacks—simply repackaged and briefly exposed online

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Another report on the Synnovis data breach said that the ransomware attack by the Qilin group on Synnovis in June 2023 disrupted blood testing across London hospitals, contributing to a patient’s death and exposing sensitive medical data of over 900,000 individuals, according to the NHS. 

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A British hacker known as “IntelBroker” (Kai West) has been charged in the U.S. for breaching dozens of global companies—stealing and selling sensitive data, inflicting over $25 million in damages, and trafficking stolen information via BreachForums.

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The U.S. Department of Homeland Security has issued a National Terrorism Advisory warning that Iran-backed cyber threat actors and pro‑Iranian hacktivists are likely to ramp up low-level cyber attacks targeting poorly secured U.S. networks, internet-connected devices, and critical infrastructure amid the current Israel–Iran conflict

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The U.S. House of Representatives has officially banned WhatsApp on all government-issued devices—citing it as a “high-risk” app due to unclear data protection, lack of stored-data encryption, and other security vulnerabilities.

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Hackers have been abusing ConnectWise ScreenConnect’s trusted installer by tampering with its Authenticode signature—injecting malicious settings that convert it into signed remote access malware for stealthy initial access.

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A new wave of North Korea’s ‘Contagious Interview’ campaign is targeting job seekers with malicious npm packages that infect dev’s devices with infostealers and backdoors.

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American grocery giant United Natural Foods (UNFI) reported that it has restored its core systems and brought online the electronic ordering and invoicing systems affected by a cyberattack.

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Hackers associated with “Scattered Spider” tactics have expanded their targeting to the aviation and transportation industries after previously attacking insurance and retail sectors.

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