Tech Solvency

Professional interests

Pro-bono cyber security advocacy for Alaska (follow Alaskan Cyber Watch / @techsolvency on Twitter)
Passwords: auditing (hash cracking), consulting, and research (I have been on Team Hashcat (as TychoTithonus) since 2017)
Information security consulting (subject to certain restrictions; my current focus is advocacy)
Occasional specialized support, including pfSense and FreeBSD
Multi-factor authentication, especially security keys / YubiKeys
See my full list of services

AKMon - independent monitoring of Alaskan Internet infrastructure
The Alaskan Domains List - a list of known domains of Alaskan interest
Alaskan HTTPS Matrix - results from Qualys SSL Labs for Alaskan hosts - (accessible from "Alaskan" networks - see next)
Alaskan Networks List - known Alaskan IP space, from BGP and other sources, in CIDR notation
Alaskan Managed IT List - known Alaskan providers of IT services
Alaskan Tech Groups - technical and IT professional / interest groups in Alaska

Should you use the terms "dehashing", "reversing", or "decrypting" when talking about password cracking? (No - no, you should not.)
Systems that I use in my password research include 'irongiant' (hashcat benchmark, personal blog post) and a ZTEX 1.15y cluster running John the Ripper
ken's Salty Rainbow is an archive of descrypt hashes for common non-personal passwords
My hashcat activity on GitHub (mostly docs PRs, feature requests, and bug reports)
My convenience mirror of MDXfind - a highly efficient, multi-iteration/nested hashing tool
I am a moderator of the hashcat forums
I contribute to the Security StackExchange on password and hashing topics
I'm proud of this hashcat feature request for sha1crypt support
Many of my GitHub gists are password-related
Some of my publications and talks are password-related
Minimal true VeraCrypt FAT containers for hashcat testing
0x38b - an Alaskan password-hash puzzle ... on a bumper sticker

Checks - for a given hostname, generate links to recommended evaluation and testing tools
The Story So Far - tracking of significant security events (less active now that I am less operational)
Blue Team - tools for defenders
Red Team - tools for pentesting and attack simulation
User security advice - general tips
How to really erase a storage device

My /pub directory, including my convenience mirror of MDXfind
Recommended add-ons for browsers
Email productivity tips
Twitter tips
Other tips and reading
How to donate to free/FOSS software projects - support the giants on whose shoulders you're standing
Selected mirrors of technical and/or historical interest
Hash Crackers United - a Folding@home team for hashing enthusiasts, searching for COVID-19 clues
Feeds - mine and otherwise
NTP lab, including monitoring of known Alaskan NTP servers (currently inactive, for reference)