Seeing the Bigger Picture: Why Security Needs Depth, Not Just Products
A recent BBC article, “Weak password allowed hackers to sink a 158-year-old company,” outlined a serious security lapse. This case reinforces the message that we, at Teneo, advocate every day: true resilience comes from defense in depth, i.e. policy, product and process, not just tools at the edge.
In a recent customer engagement, we discussed a transition from VPN to ZTNA. While ZTNA offers enhanced security including continual checking, improved segmentation and a minimized attack surface. It alone is not enough, which is why we also discussed:
- Security policy
Are access controls and segmentation policies aligned with corporate objectives? - End-user training
Do users understand their role in security hygiene—MFA, phishing avoidance, handling of sensitive data?
Why go the extra mile? Because advanced tools, no matter how sophisticated, don’t operate in isolation. They only shine when backed by informed people and rigorous processes.
Defense in Depth: The Teneo Way
Teneo’s approach is anchored in these foundational principles:
- Layered Controls
We don’t just deploy firewalls and ZTNA solution, we understand that each control complements others: endpoint detection, least-privilege identity, continuous monitoring, incident response alignment and so on. - Human-Centered Design
Security policies are only effective when comprehensible. We collaborate with stakeholders to translate strategy into everyday actions, avoiding gaps caused by misunderstanding or friction. - Continuous Education
Cyber threats evolve rapidly. We embed training and simulated drills, tabletop exercises, phishing tests, policy refreshers to ensure teams stay sharp and proactive. - Iterative Validation
Post-implementation, our engagement doesn’t stop. We offer support with penetration tests, red-team exercises, policy audit cycles. This ensures early detection of misconfigurations or gaps.
More Than a Tool, a Culture
The BBC story is a stark reminder that breaches often occur where defenders least expect them, through gaps in policy, awareness, or human error. At Teneo, we take every tool deployment as a starting point, not the finish line.
Security isn’t a product, it’s a practice. When we design solutions, we embed:
- Strategic thinking: What threats really matter here?
- Operational alignment: Can users and IT staff actually follow the policy?
- Real-world preparedness: What happens if a breach occurs?
That is true defense in depth. We’d happy to discuss your defense strategy. Let’s talk.
Author:
Brett Ayres, CTO, Teneo