VPN Best Practices: What Actually Protects You in 2026
In 2024, Ivanti disclosed critical vulnerabilities in its VPN appliances — CVE-2024-21887 and CVE-2023-46805 — that were actively exploited by threat actors before patches were available. CISA issued an emergency directive ordering federal agencies to disconnect affected devices within 48 hours. That's not a drill. That's your VPN