This site is in BETA. Labs are still being adjusted and re-structured and may not work as intended.

Resources

BHIS Blog

Current cybersecurity commentary and technical guidance.

SNAC Attack

SNAC Attack

July 29, 2026

Stale Network Address Configurations (SNAC) Attack Networks change all the time - servers get decommissioned, IPs get reassigned, services move around. The problem is that the old records pointing to…

SMB Abuse

SMB Abuse

July 29, 2026

Server Message Block (SMB) Abuse Server Message Block (SMB) is a network protocol used by Windows machines to share files, printers, and other resources across a local network. It is deeply integrated…

responder

responder

July 29, 2026

This is a lab from John Strand 's Information Security Core Skills Course: https://www.antisyphontraining.com/product/information-security-core-skills-tm/ Responder Both VMs In this lab we are going…

Internal Spearphishing

Internal Spearphishing

July 29, 2026

Internal Spearphishing Most phishing attacks come from outside - random emails, fake domains, obvious scams. Internal spearphishing is different. Here, the attacker already has a foot in the door.…

Cleartext Passwords in Files

Cleartext Passwords in Files

July 29, 2026

Cleartext Passwords in Files When passwords are stored as plain text inside files on a system - no hashing, no encryption, nothing - they become a free gift to any attacker who manages to get a…

Access Token Manipulation

Access Token Manipulation

July 29, 2026

Access Token Manipulation When you log into a system, it does not keep asking for your password on every request. Instead, it gives you a token - a small piece of data that says "this person is…

Supply Chain Attack

Supply Chain Attack

July 29, 2026

Supply Chain Attack A supply chain attack happens when an attacker does not target your systems directly - they go after the software or tools you already trust. Instead of breaking down your front…

Rejoining the server...

Rejoin failed... trying again in seconds.

Failed to rejoin.
Please retry or reload the page.

The session has been paused by the server.

Failed to resume the session.
Please retry or reload the page.

Something went wrong. A browser extension may be interfering with this page. Reload ×