[Forensic Intelligence Hub-Page] [Jhéön & Associates, Stephen P. Dresch, Chairman]

Computer and Telephone Security

• Computer Communications Privacy
• Cryptography (PGP: "Pretty Good Privacy")
• Installing Public-Key Cryptography -- A Quick Guide
  A. Q. Jhéön & S. P. Dresch
• Joel McNamara's PRIVACY TOOLS (PGP QuickStart, Private Idaho, etc.)
• The International PGP Home Page
• MIT Distribution Site for PGP
• Anonymous Web Browsing
  (Click here to anonymously browse this page and subsequent links.)
• Building a CryptoBook (Secure-communications notebook computer)
  Joel McNamara

• Telephonic Security and Intelligence
• Dial *67 to block Caller ID.
• Traces within the Ameritech system (IL, IN, WI, MI, OH) [information from SA Victor Gryniewicz, Agency President (DOT-OIG), "Immediate Call Traces," The Eighteen Eleven (Professional Journal of the Federal Law Enforcement Officers Association), 118/2 (June 1996), p. 37]:
• Dial *69 to call back to last number from which a call was received. ($0.75 charge; number can be obtained by requesting Message Unit Detail [MUD] from phone company.)
• Dial *57 to have phone company place trace on last call received. (Approx. $4 charge; law enforcement can obtain immediate traces, but private citizen must log same number with *57 at least three times before trace will be released. To obtain trace, contact Ameritech Annoyance Call Bureau, 800-769-4099.)

[Forensic Intelligence Hub-Page] [Jhéön & Associates, Stephen P. Dresch, Chairman]