Multiple Japanese Targets (MSPs, Cloud Partners)
March 1, 2025
•[ espionage, technology ]
UNC5221 activity included compromises of Japanese managed-service providers as part of the BRICKSTORM espionage operation active in 2025.
Singapore Cloud / Hosting Providers
March 1, 2025
•[ espionage, technology ]
UNC5221 leveraged Singapore hosting infrastructure for staging and potential local access during the 2025 BRICKSTORM campaign; targeting aligns with Chinese state-linked espionage.
Multiple German Targets (Corporate Legal, Professional Services)
March 1, 2025
•[ espionage, technology ]
German professional-services and corporate-law entities were likely compromised by UNC5221 during the 2025 BRICKSTORM espionage campaign exploiting Ivanti edge devices.
Multiple Netherlands Targets (BPO, MSP Providers)
March 1, 2025
•[ espionage, technology ]
UNC5221 compromised Netherlands-based BPO and MSP providers to gain secondary access to client environments; activity attributed to Chinese cyber-espionage operations.
Multiple U.K. Targets (Professional Services, Law Firms)
March 1, 2025
•[ espionage, technology ]
UNC5221 targeted British professional-services firms for espionage, part of the broader BRICKSTORM campaign observed globally in 2025.
Multiple U.S. Targets (Law Firms, SaaS, Tech Firms)
March 1, 2025
•[ espionage, malware, technology ]
Chinese APT UNC5221 deployed the BRICKSTORM backdoor to infiltrate U.S. law firms and SaaS providers for intelligence collection. Campaign active from March through September 2025.
Multiple devices at undisclosed telecommunications firm(s)
May 1, 2025
•[ hack, social, malware ]
UNC1549 (Subtle Snail) compromised multiple devices at an undisclosed telecommunications firm in United States of America using LinkedIn job-lures and the MINIBIKE backdoor; Azure-hosted C2 infrastructure was observed. No confirmed data exfiltration volumes or operational disruption reported.
Multiple devices at undisclosed telecommunications firm(s)
May 1, 2025
•[ social, hack, malware ]
UNC1549 (Subtle Snail) compromised multiple devices at an undisclosed telecommunications firm in United Kingdom using LinkedIn job-lures and the MINIBIKE backdoor; Azure-hosted C2 infrastructure was observed. No confirmed data exfiltration volumes or operational disruption reported.
Multiple devices at undisclosed telecommunications firm(s)
May 1, 2025
•[ social, hack, malware ]
UNC1549 (Subtle Snail) compromised multiple devices at an undisclosed telecommunications firm in United Arab Emirates using LinkedIn job-lures and the MINIBIKE backdoor; Azure-hosted C2 infrastructure was observed. No confirmed data exfiltration volumes or operational disruption reported.
Multiple devices at undisclosed telecommunications firm(s)
May 1, 2025
•[ social, espionage, phishing ]
UNC1549 (Subtle Snail) compromised multiple devices at an undisclosed telecommunications firm in France using LinkedIn job-lures and the MINIBIKE backdoor; Azure-hosted C2 infrastructure was observed. No confirmed data exfiltration volumes or operational disruption reported.
Multiple devices at undisclosed telecommunications firm(s)
May 1, 2025
•[ social, hack, phishing ]
UNC1549 (Subtle Snail) compromised multiple devices at an undisclosed telecommunications firm in Canada using LinkedIn job-lures and the MINIBIKE backdoor; Azure-hosted C2 infrastructure was observed. No confirmed data exfiltration volumes or operational disruption reported.
Harbor (Ohio mental health and substance use provider)
July 25, 2025
•[ leak, healthcare ]
An unauthorized actor accessed Harbors network between July 25 and August 1, 2025, and exfiltrated files containing patient, employee, and board member information. The organization disclosed the breach on September 30, 2025.
Federal Emergency Management Agency (FEMA) and U.S. Customs and Border Protection (CBP)
July 1, 2025
•[ hack, government ]
Attackers gained unauthorized access to FEMA Region 6s Citrix-based virtual desktop infrastructure beginning July 2025, exfiltrating sensitive employee data from both FEMA and CBP systems. The compromise originated from stolen credentials and enabled lateral movement between federal systems before detection.
OutcomesOne
July 1, 2025
•[ social, phishing, healthcare ]
A phishing attack compromised a single employees email account for about one hour at OutcomesOne, a Florida-based professional services firm providing health IT and medication management support to insurers and pharmacies. Attackers accessed PHI stored in the organizations email application server, exposing data of roughly 149,000 individuals including names, demographics, provider, insurance, and medication information. No Social Security numbers or financial data were involved.
Teleradio-Moldova (Public TV and Radio)
September 23, 2025
•[ hack, ddos, technology ]
On September 23 2025, Moldovas public television and radio websites were targeted by coordinated denial-of-service attacks, briefly disrupting online access. CERT-GOV-MD linked the activity to pro-Russian hacktivists amid regional political tensions. Systems were restored the same day with no data exfiltration reported.
Viva Health Insurance
June 14, 2025
•[ leak, misconfiguration, healthcare ]
Viva Health, an Alabama-based health insurance company headquartered in Birmingham, experienced exposure of a web-accessible file from June 14 to August 27, 2025. The file contained limited PHI for about 4,945 members and was removed upon discovery. No misuse or encryption was reported.
Union Home Mortgage Corp.
June 25, 2025
•[ hack, finance ]
Union Home Mortgage Corp. experienced unauthorized access to internal servers, exposing personal and identification data of roughly 24,000 customers. No encryption or ransomware activity was reported.
Veradigm Inc.
September 17, 2025
•[ financial, healthcare ]
Veradigm reported on September 26 2025 that it detected unauthorized access to portions of its network on September 17 2025. Investigators determined that data on roughly 1.1 million individuals was accessed, but no encryption, ransom demand, or operational disruption occurred. The actor has not been identified and the intrusion appears financially motivated.
Fairmont Federal Credit Union
September 30, 2023
•[ leak, financial, finance ]
Between September 30 and October 18, 2023, Fairmont Federal Credit Union in West Virginia experienced unauthorized access to its internal file servers and databases. Attackers exfiltrated sensitive personal, financial, and limited medical information of about 187,000 members. No data encryption or ransomware activity was reported.
Cancer patient in charity livestream
September 25, 2025
•[ financial, malware, healthcare ]
A serious accusation in Argentina alleged that influencer Valentn scammed a cancer patient during a charity livestream using a video game called BlockBlasters, which contained hidden malware that stole cryptocurrency from the victims wallet.
