Articles & Guides
Practical, in-depth writing on network and password security — aimed at network engineers, security engineers, and system administrators. Written by Khan Mehfooz.
Latest Guides
Migrating from Cisco Type 7 to Type 9: A Practical Guide
Step-by-step process for auditing which devices still use Type 7, planning a phased rollout to Type 9 (scrypt), and avoiding the most common migration pitfalls.
Read guide →Encoding vs. Encryption vs. Hashing: What Network Engineers Actually Need to Know
These three terms get used interchangeably in vendor documentation and job postings alike. Here's the practical distinction — and why it matters for how you store credentials.
Read guide →Cisco IOS Password Security: A Working Checklist
A field checklist covering enable secrets, AAA, local user accounts, line passwords, and the configuration audits worth running quarterly.
Read guide →Auditing Legacy Network Configs When You Inherit a Network
A practical approach to taking over network administration from a previous team or MSP — what to check first, and how to prioritize remediation.
Read guide →Tools
Beyond the Type 7 password decoder, we also maintain a free IPv4 subnet calculator for quick CIDR, mask, and host-range lookups.