There's a Kitchener-Waterloo Crypto Interest Group, with a Wiki and a Mailing List.

No upcoming events in KW right now…

Formal Keysigning at the KWLUG Short Presentations and Activities meeting. To participate, please follow the instructions at KWLUG Keysigning 2016-08-08.

There's a podcast of this keysigning at http://kwlug.org/node/1045 (keysigning starts at 16m00s)

Informal GnuPG/PGP Keysigning at the monthly KWLUG meeting.

What: KWLUG meeting
When: 7:00pm to 9:00pm, Monday, 1 December 2014
Where: The Working Centre, 58 Queen Street South, Kitchener, Ontario, Canada (Map)

• Software Freedom Day in Kitchener-Waterloo: Privacy and Security Tools - The Tor Browser Bundle. Nick Guenther and Bob Jonkman conduct a workshop to help install the Tor Browser Bundle on Windows and Linux computer; TOAST (Tor On A STick); OrBot on Android. This workshop may be followed with a Keysigning Party.

Who's up for a regular, monthly CryptoMeet? Come join us on the KWCrypto mailing list

• BitcoinKW - Bitcoin and Crypto Currency Social
  This will be a relaxed event, we'll get together over drinks and make wild speculations about the future of Bitcoin.
  A great chance to network and discuss the newest developments in Bitcoin.
  Everyone's welcome, from new comers to Satoshi himself. Location TBD based on the number of RSVPs.

• KWLUG - Encrypting E-mail with GnuPG, Thunderbird and Enigmail (2013-12-02)
• Formal Keysigning at the KWLUG meeting

• KWLUG: Why You Should Care About Security and Privacy
  Sarah Harvey repeats her lecture on how much we need to be concerned about the security and privacy of our information.

• KWLUG: Informal keysigning at the KWLUG meeting

The University of Waterloo Computer Science Club is hosting what looks to be a great series of lectures on Security and Privacy:

Held in MC 4041, on 2013-10-08, at 5:00PM.
The first lecture of our security and privacy series. By PhD student Sarah Harvey.
http://csclub.uwaterloo.ca/events/MC_4041-2013-10-08-5:00PM

Held in MC 4060, on 2013-10-15, at 5:00PM.
The second lecture of our security and privacy series. By undergraduate student Eric Dong.
http://csclub.uwaterloo.ca/events/MC_4060-2013-10-15-5:00PM

Held in DC 1302, on 2013-10-24, at 6:30PM.
The third lecture of our security and privacy series. By undergraduate student Simon Gladstone.
http://csclub.uwaterloo.ca/events/DC_1302-2013-10-24-6:30PM

Held in MC 3001 (Comfy), on 2013-11-05, at 6:00pm
The fourth event in our security and privacy series. By undergraduate students Murphy Berzish and Nick Guenther.
http://csclub.uwaterloo.ca/events/MC_3001_%28Comfy%29-2013-11-05-6:00PM

Held in MC 4060 on 2013-11-12 5:00PM
This is the fifth lecture of six in the Security and Privacy Lecture Series. By founding member of the Canadian Cybersecurity Institute and employee of local ISP Sentex Sean Howard.
https://csclub.uwaterloo.ca/events/MC_4060-2013-11-12-5:00PM

Held in MC 2038, on 2013-11-26, at 5:00PM.
The last lecture of our security and privacy series. By MMath alumnus Zak Blacher.
https://csclub.uwaterloo.ca/events/MC_2038-2013-11-26-5:00PM

• Informal keysigning at the KWLUG Meeting

• KWLUG: TOR: The Onion Router

• Kwartzlab: Cryptography Workshop