Welcome to the public web page of Greg Grasmehr (sometimes misspelled as Grashmer or Grasmere) at Caltech.edu

I'm proud to be employed by the California Institute of Technology (Caltech), the #1 university on the globe

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Send me encrypted mail: Click here to retrieve Greg Grasmehr's Public GPG Key
GPG/PGP Public Key Fingerprint: 38E2 F9BD A95E 9824 20AB 331A 9E29 D1A1 AAEE 5F42

What I do at Caltech

  • Incident response
  • Digital forensics, system and network
    1. Shout out to Guymager - verified faster imaging through multi-threaded support
    2. Personally tested 25% faster USB 2->USB 3 and 33% faster SATA->USB 3, than dc3dd
  • Reverse engineer malware & behavioral analysis
  • Application security penetration testing and code review
  • Network and system data analysis and malicious event correlation
  • System, network and application security consulting to the Caltech community
  • Internet and data security education and evangalism
  • Splunk, Bro, Snort, Argus

Mahalo nui loa to Israel Kamakawiwo'ole for Iz inspiration
Iz mau loa, never forgotten

Someday I'll wish upon a star
Wake up where the clouds are far behind me
Where trouble melts like lemon drops
High above the chimney tops
That's where you'll find me


Live To Love. Love To Surf




I'm an ally providing a Safe Zone to members of the Caltech community
Safe Zones and allies are sponsored by the Caltech Center for Student Diversity

I work to live, more here LinkedIn
An old site auto posting some of my cellphone photography