Rhysida

8 articles tagged "Rhysida"

Cheyenne and Arapaho Tribes Rebound from Ransomware Attack
Cybersecurity

Cheyenne and Arapaho Tribes Rebound from Ransomware Attack

Following a ransomware attack, the Cheyenne and Arapaho Tribes are well into their recovery, emphasizing resilience amid rising cyber threats against tribal governments. Their commitment to cybersecurity is underscored by non-negotiation with attackers.

21 Feb 2026
Over 200 Fraudulent Certificates Revoked Amid Rhysida Malware Attack
Cybersecurity

Over 200 Fraudulent Certificates Revoked Amid Rhysida Malware Attack

In October 2025, Microsoft revoked over 200 fraudulent certificates exploited in an attack by the Vanilla Tempest group. This operation specifically targeted Microsoft Teams, demonstrating significant cybersecurity risks across multiple sectors.

19 Oct 2025
Rhysida Ransomware Attack Affects 500,000 in Columbus, Ohio
Cybersecurity

Rhysida Ransomware Attack Affects 500,000 in Columbus, Ohio

The Rhysida ransomware incident in Columbus has compromised data of 500,000 residents, leading to discussions on cybersecurity and data protection.

4 Nov 2024
Port of Seattle Faces Ransomware Threat Amid Data Breach Attempts
Cybersecurity

Port of Seattle Faces Ransomware Threat Amid Data Breach Attempts

A ransomware group has attempted to extort the Port of Seattle for 100 bitcoin, threatening to release stolen personal data. The port has identified the attack and is assessing the breach.

16 Sept 2024
Port of Seattle Confirms Rhysida Ransomware Cyberattack Details
Cybersecurity

Port of Seattle Confirms Rhysida Ransomware Cyberattack Details

In a significant security breach, the Port of Seattle identified a Rhysida ransomware attack that disrupted critical operations. The agency has declined ransom demands and is bracing for potential data exposure.

16 Sept 2024
Port of Seattle Details Recent Ransomware Attack Incident
Cybersecurity

Port of Seattle Details Recent Ransomware Attack Incident

The Port of Seattle faced a ransomware attack on August 24, 2024, attributed to the Rhysida group. Officials confirm outages and ongoing recovery efforts.

15 Sept 2024
Port of Seattle Confirms August Outage as Ransomware Attack
Cybersecurity

Port of Seattle Confirms August Outage as Ransomware Attack

The Port of Seattle has revealed that an August outage was due to a ransomware attack by the group Rhysida. The port is refusing to pay the ransom and is enhancing cybersecurity measures.

14 Sept 2024
British Library Faces Cyber Attack by Rhysida Group
Cybersecurity

British Library Faces Cyber Attack by Rhysida Group

In October 2023, a significant cyberattack by the Rhysida hacker group targeted the British Library, disrupting services for months. With a ransom of 20 bitcoin demanded, the Library's recovery efforts have revealed vulnerabilities and sparked wider concerns in the cultural sector.

22 Dec 2023