By Rob Leslie, Sedicii CEO
No single organisation can afford to face cyber threats in isolation. The risks we face—ransomware, identity fraud, supply chain attacks—are increasingly sophisticated, fast-moving and borderless. What’s clear is that a fragmented approach is no longer sufficient. Collaboration among cybersecurity companies is not just important—it’s essential.
Threat actors are highly organised. They share tools, tactics and intelligence in real time. For defenders to keep pace, we need to match that level of cooperation. By working together—sharing threat intelligence, identifying patterns across networks and developing interoperable defences—we stand a much stronger chance of identifying and neutralising risks early.
Overcoming barriers to information sharing
A major challenge lies in the reluctance or inability to share sensitive data. Whether due to privacy regulations, competitive concerns or the fear of reputational damage, many organisations hesitate to engage in open exchange. Yet it is often the combination of seemingly isolated events that reveal the bigger threat.
One answer is to embrace approaches that allow for the secure sharing of validated signals—anomalous patterns, behaviour trends, known malicious infrastructure—without exposing raw data or proprietary information. When done correctly, this kind of intelligence sharing can preserve privacy and confidentiality while still enhancing security across the board.
Strengthening the wider ecosystem
Effective collaboration means that when one organisation detects an emerging threat—be it a novel phishing technique or a compromised IP range—others can take immediate action to prevent damage. This kind of real-time, federated threat detection is crucial, particularly as attacks increasingly exploit gaps between organisations and sectors.
SMEs are especially vulnerable. Many lack the internal resources or expertise to respond quickly to cyber threats. By integrating them into broader threat-sharing networks, larger cybersecurity companies can help raise the baseline of protection across the entire economy. Cyber resilience should not be the preserve of the few with deep pockets—it must be accessible to all.
Cross-sector coordination
From financial services to healthcare, education to energy, every sector is a potential target. Often, attackers move laterally—using credentials stolen in one sector to breach another. That’s why cross-sector collaboration is just as important as within-sector sharing. The more visibility we have across digital infrastructure, the better our collective defence becomes.
Working within a regulatory framework
Privacy laws such as GDPR, and frameworks like NIS2, demand responsible handling of personal and operational data. But compliance and collaboration are not at odds. On the contrary, secure, privacy-preserving threat sharing utilising privacy-preserving technologies such as Zero Knowledge Proofs and Secure Multi Party Computation can actually support compliance while providing a solid foundation for collective response.
Towards a shared digital defence
Cybersecurity companies have a shared responsibility—not only to their clients but to society as a whole. A collaborative approach strengthens the entire digital ecosystem, allowing us to detect threats faster, respond more effectively, and build long-term resilience.
Cyber criminals already operate as networks. It’s high time we did the same.