Ascom affected by cyber attack


On 16 March 2025, a cyber-attack compromised Ascom’s technical ticketing system.

Other IT systems and customer systems remain unaffected, and our business is fully operational as usual. Investigations against such criminal offenses were initiated immediately and are ongoing. Ascom is working closely with the relevant authorities. A group calling itself the “Hellcat ransomware gang” announced on X (formerly Twitter) that it had breached Ascom’s IT infrastructure. The Ascom IT Cybersecurity Team is investigating the incident and immediately closed the ticketing system. Determining the extent of the attack is part of the ongoing investigation.

Read more…
Source: Toronto Star News


Sign up for our Newsletter


Related:

  • Cyber crime a big threat to Nigeria’s oil, gas sector

    May 14, 2025

    Nigeria’s strategic oil and gas industry has been urged to beef up its cyber security and avoid massive potential cost to the economy if current measures fail. According to Check Point’s African Perspectives on Cyber Security Report 2024, Nigeria continues to face one of the highest frequencies of cyber attacks in Africa, with organisations being attacked ...

  • DarkCloud Stealer: Comprehensive Analysis of a New Attack Chain That Employs AutoIt

    May 14, 2025

    In January 2025, Unit 42 researchers identified a series of attacks distributing DarkCloud Stealer. The latest attack chain incorporated AutoIt to evade detection and used a file-sharing server to host the malware. This article explores the chain of events from these recent campaigns and analyzes the characteristics of these attacks. DarkCloud employs multi-stage payloads and obfuscated ...

  • M&S warns shoppers are at risk from scammers after cyber attack

    May 14, 2025

    Marks & Spencer has warned shoppers to be on the lookout for scam calls and emails after hackers stole customer data from its systems. The retailer is this week writing to customers to alert them that personal data have been taken by cyber criminals, including partial credit card details, contact information, dates of birth and order ...

  • Horabot Unleashed: A Stealthy Phishing Threat

    May 12, 2025

    In April, FortiGuard Labs observed a threat actor using phishing emails with malicious HTML files to spread Horabot, malware that primarily targets Spanish-speaking users. It is known for using crafted emails that impersonate invoices or financial documents to trick victims into opening malicious attachments and can steal email credentials, harvest contact lists, and install banking ...

  • Ransomware group Lockbit appears to have been hacked

    May 8, 2025

    The ransom-seeking cybercriminals behind the extortion group Lockbit appear to have suffered a breach of their own, according to a rogue post to one of the group’s websites and security analysts who follow the gang. On Wednesday one of Lockbit’s darkweb sites was replaced with a message saying, “Don’t do crime CRIME IS BAD xoxo from ...

  • A timeline of South Korean telco giant SKT’s data breach

    May 8, 2025

    In April, South Korea’s telco giant SK Telecom (SKT) was hit by a cyberattack that led to the theft of personal data on approximately 23 million customers, equivalent to almost half of the country’s 52 million residents. At a National Assembly hearing in Seoul on Thursday, SKT chief executive Young-sang Ryu said about 250,000 users have ...