Knowledge Hub · Security

How do FirstNet's security services fit together into a layered defence?

Security · Answered by FirstNet Technology Services

Short answer

FirstNet's security services each cover a different part of the attack surface, so most organisations combine several. Every layer runs as a managed service under one FirstNet contract, with one support desk.

In detail

The layers are:

  • Network edge: Firewall as a Service on Fortinet or Sophos, on your site or hosted by FirstNet, with FortiManager and FortiAnalyzer for Fortinet estates
  • Inbound email: Mimecast filters phishing, malware and impersonation before delivery
  • Outbound email: SendMarc enforces DMARC so nobody can spoof your domain
  • Endpoint and SOC: Sophos endpoint protection with Sophos MDR detects threats around the clock
  • Incident response: FirstNet's team remediates when Sophos MDR raises an alert
  • Secure access: Netskope or Cloudflare Zero Trust secures web, SaaS and private app access and replaces legacy VPN
  • Public apps: Cloudflare WAF, DDoS and bot protection at the edge

The layers reinforce each other. A Sophos firewall and Sophos endpoints share health status through Synchronized Security, and FortiManager with FortiAnalyzer gives a change-and-evidence trail for audits.

Most customers start with the layer that matches their most urgent risk, then add the others over time.

Source: FirstNet Security service page →

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