The recent cyber attacks on major UK retail brands may have faded from the headlines, but for the organisations affected, the real work begins after the crisis. The post-breach phase marks a critical transition – from active threat response to rebuilding and strengthening systems, processes and culture.
By Steve Brown, MD, FluidOne Business IT - Sheffield
What is post-breach?
Following attacks on retailers like Marks & Spencer, Harrods and the Co-op – which caused service disruptions and financial losses – the public-facing symptoms may have subsided. Behind the scenes, however, these organisations entered a crucial phase of analysis and transformation. The breaches, likely involving ransomware and supply chain compromise, exposed gaps that must be addressed to prevent future incidents.
Post-breach doesn’t simply mean systems are back online. It’s the stage where organisations begin making informed decisions based on a clearer understanding of their vulnerabilities. A heightened awareness follows – focused on unusual network behaviour, access patterns and internal weaknesses. This new mindset must evolve into long-term monitoring and stronger security practices.
Recovery isn’t the finish line
True recovery demands a rethink of operations: verifying backups, prioritising critical assets, and implementing safeguards to prevent recurrence. Communication also plays a key role. Internally, staff need clear guidance. Externally, messaging must be timely, transparent and legally compliant.
‘Lessons learned’ sessions are essential. These structured reviews highlight what worked, what failed and where delays or mistakes occurred. Insights from these sessions should shape future strategies and feed into ongoing tabletop exercises that test readiness in simulated scenarios.
Cyber insurance is another major consideration post-breach. Insurers closely examine an organisation’s response and resilience. Those able to demonstrate robust recovery protocols and documented learnings are more likely to retain or renegotiate favourable policy terms.
Final thoughts
Post-breach isn’t about closure – it’s the start of a more security-conscious chapter. Reassessing defences, refreshing incident response plans and adapting to new threats must become part of everyday culture. Every team, from IT to leadership, plays a role in sustaining that shift.
At FluidOne, we ensure our clients are fully equipped to handle cyber threats. Alongside our IT security solutions, our dedicated cyber centre of excellence – CSA Cyber – delivers expert consultancy, Offensive Security and Managed Security services. For more information, visit our website, call us on 0114 292 3800 or email sheffieldenquiries@fluidone.com to speak with our experts today and find out how we can help protect your business.
