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4,802 Firepower fingerprints, 985 IOS XE and zero Cyber Vision: reading three Snort 3 numbers together

4,802 Firepower fingerprints, 985 IOS XE and zero Cyber Vision: reading three Snort 3 numbers together

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4 min read
One Attachment, Root: Scoping the Cisco Secure Email Gateway Fix for CVE-2026-76519

One Attachment, Root: Scoping the Cisco Secure Email Gateway Fix for CVE-2026-76519

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3 min read
1,807 Gateways, 1,161 on 443, Zero CVE Matches: Scoping Cisco SEG Exposure

1,807 Gateways, 1,161 on 443, Zero CVE Matches: Scoping Cisco SEG Exposure

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3 min read
Setting up VLANs on a used managed switch (practical guide)

Setting up VLANs on a used managed switch (practical guide)

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4 min read
Cisco CCNP Enterprise: Building a Home Lab on a Budget

Cisco CCNP Enterprise: Building a Home Lab on a Budget

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5 min read
Hunting in the mail path: five hypotheses for CVE-2026-76519 exposure

Hunting in the mail path: five hypotheses for CVE-2026-76519 exposure

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3 min read
Four Critical NX-OS CVEs at Once: How to Order the Work

Four Critical NX-OS CVEs at Once: How to Order the Work

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2 min read
IPv4 /26 Subnetting Explained: A Beginner-Friendly Guide

IPv4 /26 Subnetting Explained: A Beginner-Friendly Guide

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2 min read
Compromise Assessment After CVE-2026-76504: Building a Defensible Investigation Order

Compromise Assessment After CVE-2026-76504: Building a Defensible Investigation Order

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4 min read
An email attachment hands the sender root on Cisco's gateway

An email attachment hands the sender root on Cisco's gateway

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3 min read
CVE-2026-20079: Root on Cisco Secure FMC Through a Crafted HTTP Request

CVE-2026-20079: Root on Cisco Secure FMC Through a Crafted HTTP Request

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2 min read
Studying for CCNA ...?

Studying for CCNA ...?

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1 min read
5,950 secure email gateways on the wire: the CVE-2026-76461 scoping problem

5,950 secure email gateways on the wire: the CVE-2026-76461 scoping problem

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2 min read
From NX-API to Root: Reading the Cisco Advisory for CVE-2026-76471

From NX-API to Root: Reading the Cisco Advisory for CVE-2026-76471

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2 min read
Why API Gateways Keep Failing Authentication: Lessons From Cisco ISE CVE-2026-76460

Why API Gateways Keep Failing Authentication: Lessons From Cisco ISE CVE-2026-76460

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3 min read
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