Cisco Umbrella Blocked Sites 〈Secure × 2025〉
At the same time Mark was clicking his link, the IT Security Analyst, Sarah, was reviewing the dashboard in her office. She didn't see Mark’s name specifically, but she saw the graph spike.
For immediate action: If you see a surge in blocks for Newly Seen Domains or Malware across >5% of endpoints in an hour, activate your incident response plan. cisco umbrella blocked sites