Digital trust is entering a new phase, and on March 15, 2026, a policy change will take effect that reshapes how organisations approach security. In 2025, the CA/Browser Forum, a consortium of browser vendors and certificate authorities, approved revisions to public TLS standards, introducing a phased reduction in certificate lifespans to better address modern threats. After extensive industry-wide debate, the timeline is now clear, and the first milestone is upon us. The first of several milestones will occur today, on March 15, where the maximum allowable lifetime of a publicly trusted TLS certificate will halve, from 398 days to 200 days, with the ultimate goal to reduce eightfold to 47 days in ...