Cybersecurity Hardening After a Security Incident

The challenge

A security incident exposed gaps across email, endpoint protection, access controls and network configuration. The immediate priority was containment, but management also wanted to avoid solving only the visible symptom.

Our approach

Astek treated the incident as a trigger for layered hardening. Immediate controls were stabilised first, followed by a structured review of identity, email, endpoints, perimeter security and monitoring.

What Astek implemented

• Reviewed and tightened perimeter firewall policies and remote-access exposure.
• Strengthened endpoint protection and centralised event visibility.
• Improved email threat controls and domain-security settings.
• Introduced stronger authentication for critical accounts and remote access.
• Established monitoring and escalation for high-priority security events.
• Documented key security responsibilities and incident-response steps.

Business outcome

The client moved from reactive incident handling to a more layered security posture. Security controls that had previously operated independently were aligned around common risks and escalation procedures.