Q: What is DEF CON, and why is it important?

A: DEF CON is an annual hacker conference founded by Jeff Moss in 1993. It is the largest of its kind, bringing together security professionals, researchers, and enthusiasts to share knowledge and discuss cybersecurity challenges. The event has shaped hacker culture and influenced cybersecurity policies worldwide.

Q: What role did Jeff Moss play at ICANN?

A: Jeff Moss served as Chief Security Officer at ICANN, where he focused on internet infrastructure security, including DNS management and domain name systems. His work helped improve the security and reliability of the internet’s core systems.

Q: Is Jeff Moss still active in cybersecurity?

A: Yes, Jeff Moss remains active in cybersecurity, continuing to advocate for ethical hacking and internet governance. He is a member of the Homeland Security Advisory Council and engages in public discussions on cybersecurity issues.

Q: What is Jeff Moss’s background in education?

A: Jeff Moss attended Gonzaga University for criminal justice and graduated from Bellevue High School. His educational background reflects his interdisciplinary approach to cybersecurity and law enforcement.

Q: How has Jeff Moss influenced hacker culture?

A: Jeff Moss’s founding of DEF CON has had a profound impact on hacker culture, providing a platform for ethical hacking discussions and fostering a community of security professionals. The conference has become a benchmark for cybersecurity events globally.

Jeff Moss

American hacker

Person human Q6174569

Facts

21 properties

Instance of: human
Sex or gender: male^[9]
Date of birth: 1975
Place of birth: California
Country of citizenship: United States^[4]
Occupation: computer scientist
Employer: ICANN^[5]
Educated at: Gonzaga University, Bellevue High School^[6]^[7]
Birth date: 1975-01-01
Citizenship: United States
Languages spoken, written or signed: English^[13]
Birth place: California
Email address: mailto:dtangent@defcon.org
Family name: Moss^[11]
Given name: Jeff^[12]
Member of: Homeland Security Advisory Council (2009–present)^[8]
Public key fingerprint: 75 9e 69 ed 94 fb 05 a2 46 19 ad f0 00 7d fe b5 14 fa 41 23 (?–2020), D121 EAAE D1B6 3D2E A0B1 953F FFAF A718 5D24 05E5 (2015–2018)
Residence: Seattle^[10]
Social media followers: 9.5k (9.3k–112k, n=4)^[14]^[15]^[16]^[17]
Twitter: thedarktangent
Viaf id: 166819955

🏷️ Also known as

en Dark Tangent en Jeff Moss en The Dark Tangent ar جيف موس fi Dark Tangent fi The Dark Tangent he ג'ף מוס it Dark Tangent it The Dark Tangent ja ジェフ・モス pt Dark Tangent pt The Dark Tangent zh 傑夫·莫斯

🔖 Identifiers · 11

ISNI: 0000000100192768
VIAF cluster ID: 166819955
Image (Wikimedia Commons): Dark Tangent (7546598054).jpg ↗
DBC author ID: 87097991630478
Freebase ID: /m/02ph5wn
Libraries Australia ID: 36013347
Mastodon address: thedarktangent@defcon.social (2022–present)
NUKAT ID: n2005030905
National Library of Poland MMS ID: 9810705249005606
Notable Names Database ID: 963/000205348
X (Twitter) username: thedarktangent (2008–present)

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections

Founded entities 3

DEF CON, Black Hat Briefings, Black Badge

Country of citizenship 1

United States

Educated at 1

Gonzaga University

Employer 1

ICANN

Instance of 1

human

Languages spoken, written or signed 1

English

Occupation 1

computer scientist

Place of birth 1

California

Residence 1

Seattle

Sex or gender 1

male

Press Enter · cited answer in seconds

Summary

Jeff Moss was born on January 1, 1975^[1], in California^[2]. He has worked as a computer scientist^[3].

FAQs

Where was Jeff Moss born?

Jeff Moss's place of birth was California^[2].

What did Jeff Moss do for work?

Jeff Moss worked as a computer scientist^[3].

Where did Jeff Moss go to school?

Jeff Moss was educated at Gonzaga University^[6] and Bellevue High School^[7].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[2] ↑ Jeff Moss — place of birth (P19): California. wikidata.org.
[9] ↑ Jeff Moss — sex or gender (P21): male. wikidata.org.
[4] ↑ Jeff Moss — country of citizenship (P27): United States. wikidata.org.
[6] ↑ Jeff Moss — educated at (P69): Gonzaga University. cambridgeglobal.com. cambridgeglobal.com. Provenance: wikidata.org.
[7] ↑ Jeff Moss — educated at (P69): Bellevue High School. Retrieved 2021-03-04. wikidata.org.
[3] ↑ Jeff Moss — occupation (P106): computer scientist. wikidata.org.
[5] ↑ Jeff Moss — employer (P108): ICANN. wikidata.org.
[8] ↑ Jeff Moss — member of (P463): Homeland Security Advisory Council. wikidata.org.
[10] ↑ Jeff Moss — residence (P551): Seattle. wikidata.org.
[1] ↑ Jeff Moss — date of birth (P569): January 1, 1975. wikidata.org.
[11] ↑ Jeff Moss — family name (P734): Moss. wikidata.org.
[12] ↑ Jeff Moss — given name (P735): Jeff. wikidata.org.
[13] ↑ Jeff Moss — languages spoken, written or signed (P1412): English. wikidata.org.
[14] ↑ Jeff Moss — social media followers (P8687): 111,762. wikidata.org.
[15] ↑ Jeff Moss — social media followers (P8687): 9307. wikidata.org.
[16] ↑ Jeff Moss — social media followers (P8687): 9402. wikidata.org.
[17] ↑ Jeff Moss — social media followers (P8687): 9476. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Jeff Moss. Retrieved November 2, 2026, from https://4ort.xyz/entity/jeff-moss

MLA “Jeff Moss.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/jeff-moss.

BibTeX

@misc{4ortxyz_jeff-moss_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Jeff Moss}}, year = {2026}, url = {https://4ort.xyz/entity/jeff-moss}, note = {Accessed: 2026-11-02}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Jeff Moss — https://4ort.xyz/entity/jeff-moss (retrieved 2026-11-02)

Canonical URL: https://4ort.xyz/entity/jeff-moss · Last refreshed: November 2, 2026