Why legacy antivirus and firewall-only strategies fail against modern threats, and which security controls actually reduce real-world risk.
This free guide from Teclara explains why legacy antivirus and firewall-only security strategies fail against modern cyber threats, and identifies which security controls actually reduce real-world risk for small and mid-sized businesses. The resource is designed for business owners and IT decision makers who want to understand why their current defences may have critical gaps.
The guide covers the specific ways traditional defences fall short. Legacy antivirus relies on signature-based detection that misses zero-day threats, fileless malware, and living-off-the-land attacks. Perimeter firewalls assume threats come from outside the network, but modern attacks compromise legitimate credentials to operate from within. Basic email filtering fails to catch sophisticated phishing, impersonation, and business email compromise attacks that use social engineering rather than malicious attachments.
Modern defence controls that effectively reduce risk include managed detection and response with 24/7 human-led threat hunting, endpoint detection and response that monitors behaviour rather than signatures, identity threat detection for cloud platforms like Microsoft 365 and Google Workspace, email security with AI-powered analysis and impersonation protection, immutable cloud backup that ransomware cannot encrypt or delete, and security awareness training with ongoing phishing simulations. Download the free PDF to evaluate your current security posture against the controls that matter most.