BLIK
November 1, 2025
•[ denial of service ]
Polish outlet GazetaPrawna, citing BLIKs statements and comments by the minister for digital affairs, reports that from the early morning of November 1, 2025 the operator observed a significant external distributed denial-of-service attack against Polish settlement infrastructure supporting the BLIK mobile payment system. The volumetric attack generated enough malicious traffic to disrupt the smooth processing of BLIK transactions and caused users to encounter problems with mobile payments. BLIKs operator said that it secured the infrastructure, continued to monitor the systems and by 10:33 stated that users should no longer experience transaction issues, later confirming on social media that BLIK functions had been restored and apologizing for the inconvenience while officials noted that such DDoS attacks occur regularly but are usually blocked before users notice.
Anne Helen Petersen's Substack account
October 1, 2025
•[ phishing, account takeover, impersonation ]
Former Buzzfeed journalist Anne Helen Petersen received a phishing email that imitated a security alert from Substack, warning that her ability to send emails would be frozen unless she verified her account. After she responded, attackers captured her credentials and gained unauthorized access to her Culture Study Substack newsletter and podcast account, which has more than 25,000 followers. The intruders changed the newsletters name to impersonate cryptocurrency wallet company Trezor and added thousands of new email addresses to the mailing list, hijacking her distribution channel to push a crypto-related scam through her audience.
Gcore
October 1, 2025
•[ DDoS attack, botnet, volumetric flood ]
Technology site CDR.cz and an underlying TechRadar report describe how gaming hosting and cloud provider Gcore was hit in October 2025 by one of the largest DDoS attacks ever recorded, a so called short burst volumetric flood that generated roughly 6 terabits per second of traffic and about 5.3 billion packets per second over 30 to 45 seconds. Analysis attributed the event to the AISURU botnet, with more than half of the malicious traffic sourced from Brazil and about a quarter from the United States, suggesting widespread abuse of poorly secured systems in those regions. Gcore stated that its globally distributed DDoS protection network, with over 210 points of presence and more than 200 terabits per second of filtering capacity, absorbed the attack and kept services online, but security experts warned that such brief, intense
At least one Ukrainian grain producer
June 1, 2025
•[ malware, wiper attack, state-sponsored attack ]
Russian state-backed threat group Sandworm, also known as APT44, used several data-wiping malware families in a series of destructive attacks against Ukrainian organizations in 2025, including newly reported operations targeting the countrys grain sector. An ESET APT activity report cited by BleepingComputer says that in June and September Sandworm deployed wipers like ZEROLOT and Sting against entities in the governmental, energy, logistics, and grain industries, with the grain sector highlighted as a less frequent but strategically important target. The wipers corrupt files, disk partitions, and master boot records in ways that prevent recovery, likely aiming to weaken Ukraines war economy by disrupting a critical export industry.
Italian Political Consultant, Francesco Nicodemo
January 1, 2025
•[ spyware, government surveillance, targeted attack ]
Italian political consultant Francesco Nicodemo, who has worked with centre-left politicians, revealed in November 2025 that he was notified by WhatsApp in January that his phone had been targeted with Paragon spyware. His case broadens an existing spyware scandal in Italy that has already affected journalists, activists and business leaders. Parliamentary committee COPASIR has acknowledged that Italian intelligence agencies used Paragon in some cases, but it is unclear who ordered surveillance on Nicodemo or whether his device was successfully infected, prompting calls from experts for greater transparency from both the government and the spyware vendor.
Hixson Holdings, Inc
November 5, 2024
•[ data leak ]
Hixson Holdings Inc., a Cincinnati-based architecture, engineering and project management firm, detected suspicious activity on its network on November 5, 2024. A forensic investigation later determined that an Undetermined intruder may have accessed sensitive data on Hixson's systems from that date through October 9, 2025, before the review concluded. Exposed information includes names, contact details, Social Security numbers and medical or insurance identifiers, highlighting that the firm handled protected health information for some clients. Hixson filed notice with the Massachusetts Attorney General and began mailing breach letters on October 31, 2025, while law firms and regulators assess potential legal and remediation obligations.
Undisclosed private company in Granada
May 1, 2025
•[ malware, man-in-the-middle ]
Approximately 13,000 was stolen after malware infected the email account of a private company in Granada, Spain, allowing attackers to monitor correspondence and alter supplier payment instructions. Six individuals were arrested in Spain in connection with the man-in-the-middle fraud.
Ravin Academy
October 22, 2025
•[ hacktivism, data leak, government ]
Cyber intrusion into Ravin Academy, an Iranian cybersecurity training institution linked to the Ministry of Intelligence, by a hacktivist group. The stolen data was posted online with anti-regime rhetoric, indicating an ideologically motivated protest hack.
Vibra Hospital of Sacramento
August 30, 2025
•[ data leak, PHI ]
Attack on Vibra Hospital of Sacramentos network occurred between August 30 and September 5, 2025. The breach exposed protected health information, including medical and insurance details but no financial or Social Security data. No ransomware or encryption occurred, and no threat group has publicly claimed responsibility.
WhatsApp users in Bijnor, Uttar Pradesh
October 1, 2025
•[ malware, phishing, data leak ]
Several WhatsApp users in Bijnor, Uttar Pradesh had their Android phones compromised after downloading a fake wedding invitation via WhatsApp. The malware granted remote access, exposing personal messages, photos, and financial app data. Victims filed complaints with the Bijnor Cyber Crime Police Station; authorities believe multiple individuals across the district were affected.
MAYA Systems Ltd.
October 12, 2025
•[ data leak, hacktivism, espionage ]
An Iran-linked hacktivist group known as Cyber Toufan claimed responsibility for breaching Israeli defense contractor MAYA Systems in October 2025, stealing and releasing files allegedly showing Iron Beam laser-defense system designs and other IDF technologies. Israeli authorities have not verified the authenticity of the leaked materials.
Undisclosed Canadian farm
October 1, 2025
•[ Hacktivism, Sabotage, Operational Technology (OT) ]
Hacktivists manipulated temperature and humidity parameters in a grain-drying silo at a Canadian farm, creating unsafe conditions that were detected and mitigated before damage occurred.
Arizona Federal Public Defender’s Office
September 24, 2025
•[ ransomware, data leak ]
Ransomware detected Sept 24 2025 crippled Arizonas Federal Public Defender Office, encrypting decades of case files and deleting backups. Investigators suspectbut have not confirmeddata exfiltration. No threat group has claimed responsibility.
M-TIBA (CarePay Kenya)
October 23, 2025
•[ data leak ]
Threat actor Kazu claimed on Oct 23 2025 to have exfiltrated 2.15 TB of data (~4.8 M users) from M-TIBA, a Safaricom-backed health-finance platform; sample of 114 k records posted; Kenyas ODPC launched investigation Oct 29 2025; no encryption or operational outage confirmed.
Khan & Associates CPA, Inc.
July 9, 2025
•[ unauthorized access, data leak ]
An unauthorized user accessed Khan & Associates CPAs Intuit tax filing software between July 916 2025, filing false federal and state tax returns and exposing clients PII including SSNs and bank data.
Kansas City National Security Campus network
October 1, 2025
•[ vulnerability exploitation, espionage, nation-state actor ]
CSO reports KCNSC (NNSA nuclear components plant) was infiltrated via unpatched on-prem SharePoint. Microsoft tied the wider wave to China-linked actors, while a KCNSC source suggested a Russian group; DOE later said the department was minimally impacted. Primary effect: covert access/collection, not OT disruption.
Mike Graham's Facebook Account
July 18, 2025
•[ account takeover ]
Xubuntu
October 18, 2025
•[ malware, data theft, supply chain attack ]
Pplware reports the official Xubuntu site was briefly compromised; the torrent download link served a ZIP with a Windows EXE that stole sensitive data (e.g., crypto addresses). Xubuntu removed the page and accelerated infra migration; ISO mirrors were unaffected. Financially motivated malware delivery via a trusted brand.
Undisclosed Ukrainian business services organization
June 27, 2025
•[ webshell, credential harvesting, data leak ]
Symantec-reported intrusion beginning June 27, 2025 used LocalOlive webshell and LOTL techniques to harvest credentials and system data; activity persisted through mid-2025; no disruption reported.
Undisclosed Ukrainian local government entity
July 1, 2025
•[ espionage, webshell, intrusion ]
Symantec observed multi-week summer 2025 espionage intrusion against a Ukrainian local government network using LocalOlive webshell and dual-use Windows tools; no operational disruption reported.