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:

  • Cloud Phones: The Invisible Threat

    March 25, 2026

    What began as a simple scheme to inflate social media metrics has evolved into a sophisticated threat that is quietly reshaping the economics of digital fraud. Over the past decade, fraud prevention teams have invested heavily in device fingerprinting and emulator detection and that investment paid off; classic emulators and bot activities became predictable, easy ...

  • Millions possibly affected by data breach at dermatology giant QualDerm

    March 25, 2026

    Dermatology management services giant QualDerm suffered a cyberattack in late 2025 which saw it lose sensitive personal and healthcare data on more than three million people. The company is now notifying affected individuals by mail, noting in a breach notification letter that between December 23 and 24, 2025, a threat actor managed to access “a limited ...

  • AI Drives Cyber Attacks That Unfold in Minutes

    March 24, 2026

    Artificial intelligence is speeding up timelines for cyber attacks, a new report has found, creating what the authors call a widening “cybersecurity speed gap” between bad actors and defense efforts. The report from Booz Allen Hamilton, published this month, shows that cyber criminals are now moving from initial access to broader system compromise in less than ...

  • Google Authenticator: The Hidden Mechanisms of Passwordless Authentication

    March 23, 2026

    Passwordless authentication is often presented as the end of account takeover. But to understand the real threat landscape, we need to examine how passwordless is actually deployed in the real world. Attackers do not break protocols in theory. They target the most common implementations, the places where usability, scale and architecture intersect. Focusing on one of ...

  • Trio-Tech International hit by ransomware attack

    March 23, 2026

    Trio-Tech International initially shrugged off a ransomware attack at a Singapore subsidiary as immaterial, only to reverse course days later after discovering stolen data had been disclosed. The California-based semiconductor testing and burn-in services outfit said it detected a ransomware incident at a Singapore subsidiary on March 11, which led to the encryption of “certain files” ...

  • Russian Intelligence Services Target Commercial Messaging Application Accounts

    March 20, 2026

    The Federal Bureau of Investigation (FBI) and the Cybersecurity and Infrastructure Security Agency (CISA) are jointly issuing this public service announcement (PSA) to warn the public about ongoing phishing campaigns by cyber actors associated with the Russian Intelligence Services (RIS) targeting commercial messaging applications (CMAs). RIS actors have compromised individual CMA accounts, but not CMAs’ encryption ...