Contact Us

Our mailing address is:

Team Cymru
16W361 S. Frontage Road
Suite 100
Burr Ridge, IL 60527
US

Note well the letter "W" between the 16 and 361 in our street address!

Directions & Map

Our phone numbers are:

Voice (general): +1 630 230 5400
Voice (EMERGENCY, NOC, 24x7x365): +1 630 230 5401
INOC-DBA: 23028*662
Fax: +1 630 887 8651

Our role contacts are:

Abuse or security issues: abuse@cymru.com

EMERGENCY: +1 630 230 5401

Network, server, or service issues: noc@cymru.com
Maintainer Object: MAINT-AS23028
Route-set Object: rs-as23028

Investigations Team: investigations@cymru.com

Additional Info: info@cymru.com

Please encrypt any sensitive e-mail with the appropriate PGP key: team-cymru@cymru.com or noc@cymru.com.

(All members of Team Cymru can read mail encrypted with the team-cymru@cymru.com key, so you may use it if you cannot find a key for a specific Team Cymru member.)

Keep in touch with Team Cymru

You may subscribe to our free, open-to-all e-mail announcements mailing list by sending an e-mail to cymru-announce-subscribe@cymru.com. We also produce a printed newsletter on a quarterly basis for vetted contacts, if you wish to be considered for subscription to this newsletter, please see the Cymru Quarterly information page.

You can also follow Team Cymru on Twitter for a condensed view of interesting Internet security news items, Team Cymru announcements, and trends we've observed in our monitoring efforts. These tweets are also available in RSS form.

Additionally, Team Cymru produces "The Who and Why Show", a short weekly video show where we speak with subject-matter experts on various aspects of the Underground Economy. Suggested future topics are welcome via e-mail to show@cymru.com.

Directions to our offices

From Chicago Midway, or O'Hare via I-294

• Take I-55 S toward ST LOUIS.
• Exit onto IL-83 S / KINGERY HWY via EXIT 274B.
• Turn Left at the first stop light (Frontage Road).
• Turn right into a 1 story, brick complex with a large, white "361 Burr Ridge Office Center" sign.
• Suite 100 is the first suite at the front of the complex.