Hackers Breaking in Through Firewalls and VPNs
What We Saw in 2025
Attackers focused on exposed VPNs and firewalls using known vulnerabilities.
Source: CISA
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
2026 Outlook
Automated attacks will scan the internet for vulnerable devices within hours of new flaws being announced.
Defender Focus
- Patch based on KEV
- Reduce exposed admin pages
- Monitor internet-facing assets
- Rotate credentials after patching
References
- CISA KEV: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- Recorded Future trends: https://www.recordedfuture.com
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