On September 13, 2024, Quorum Cyber, a portfolio company of Charlesbank Capital Partners and Livingbridge, announced its acquisition of Difenda, an Ontario-based Microsoft cybersecurity partner.

Founded in Edinburgh in 2016, Quorum Cyber is one of the fastest-growing cyber security companies in the UK and North America with over 150 customers on four continents.

Founded in 2008, Difenda delivers a range of highly regarded professional and managed cybersecurity services across the full Microsoft Security stack and is a leading Microsoft Solutions Partner for Security. The company has a growing customer base across diverse manufacturing, financial services, energy, retail, technology, and healthcare end-markets in Canada and the United States.

Osler, Hoskin & Harcourt LLP advised Difenda with a team consisting of Chad Bayne, Ryan Unruch, Mihnea Porime, Nataly Dil, Alexander Green, Bryan Salazar (Emerging High Growth Companies), Diana Yeung (Corporate), Alain Fournier (Tax), Steve Dickie and Kelly O’Ferrall (Employment and Labour).