A Cybersecurity Context

Security Operations

Security Operations encompasses the processes, technologies, and personnel responsible for monitoring and responding to security incidents. Security Operations Centres (SOCs) play a central role in this domain, leveraging advanced tools and methodologies to detect, analyse, and mitigate potential cyber threats in real-time. Security Operations involves continuous monitoring of networks, systems, and applications, as well as incident response activities to address and neutralise security incidents promptly.

Slipstream Cyber, part of Interactive, is a specialist firm providing comprehensive, 24/7 cyber defence solutions. Its services include an Australian-based Security Operations Centre (SOC), managed detection and response, and penetration testing.

Founded by a former industry Chief Information Security Officer (CISO), our mission is to build a business to meet the needs of other CISOs. Our core principles are robust process, investment in people, enablement with world-class technology, and a focus on flexibility.

Slipstream Cyber is a business of Interactive which allows us to offer multi-disciplinary perspectives on the challenge our customers face.

Operating a true 24×7, sovereign Security Operations Centre, we deliver services to customers across Australia and internationally.

From 398 to 200 Days: Understanding the TLS Certificate Lifespan Reduction

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 March 2029....

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