Bill Dunnion named Chief Information Security Officer (CISO) at Mitel

Mitel announced the appointment of Bill Dunnion as CISO, where he will oversee information security strategy, security architecture, and security standards compliance. Prior to Mitel, Dunnion held IT and cybersecurity leadership positions at Calian, 2Keys Security Solutions, and Bell Canada.

According to the release, Dunnion will also assess, develop and implement security best practices throughout Mitel.

His most recent role was Senior Director of Corporate Cybersecurity at Calian, where he oversaw the corporate cybersecurity program's development, implementation and operation, the release says. According to the release, Dunnion ensured compliance with SOC2 and ISO standards at Calian and operationalized its program within the NIST framework. Calian said that Dunnion, who was its Director, Corporate Cybersecurity at the time of the report, discussed on the CIO Association of Canada website the hazards of using machine learning and AI tools without understanding the risks.

The release says Dunnion earned his mechanical engineering degree at Queen's University in Kingston, Ontario. According to the release, Dunnion served the Canadian Cyber Forum in Ottawa as its volunteer chair at the time of the announcement.

SecurityWeek describes Mitel as a provider of business communications solutions. According to the release, Mitel powers more than two billion business connections, and its experts serve business users in more than 100 countries. Since taking the CISO role in 2024, Dunnion has guided Mitel through Unify's integration and ISO compliance efforts, a Mitel blog post says.