Q: What is the email domain for FIRST?

The official email domain for First.org is first.org . Furthermore, you can use this domain to contact their team members directly.

Q: What is First.org's main phone number?

You can reach First.org's main office by calling +1 312-372-1255 . Additionally, Tomba provides up-to-date contact information that you can sync directly to your CRM and sales tools.

Q: How many people work at First.org?

First.org currently employs approximately 11-50 team members. Additionally, you can browse the complete employee directory to find specific contacts and departments.

Q: When was First.org established?

First.org was founded in 1990 . Therefore, they have been operating in their industry for several years, building expertise and professional relationships.

Question 1

What is the email domain for FIRST?

Accepted Answer

The official email domain for First.org is first.org. Furthermore, you can use this domain to contact their team members directly.

Question 2

How can I verify first.org email addresses?

Accepted Answer

You can verify First.org email addresses using Tomba's email verification tool. Additionally, our platform automatically checks email deliverability and provides confidence scores for each address.

Question 3

How many email addresses does First.org have?

Accepted Answer

Currently, First.org has a total of 67 verified email addresses in our database. Moreover, you can explore the complete employee directory for detailed contact information.

Question 4

What is First.org's main phone number?

Accepted Answer

You can reach First.org's main office by calling +1 312-372-1255. Additionally, Tomba provides up-to-date contact information that you can sync directly to your CRM and sales tools.

Question 5

What email format does First.org use?

Accepted Answer

First.org typically uses a specific email pattern for their employee addresses. Furthermore, you can discover all email formats and patterns with Tomba's analysis tools.

Question 6

What industry does First.org operate in?

Accepted Answer

First.org operates primarily within the computer & network security sector. Therefore, their business focus aligns with industry-specific email communication patterns and professional networking standards.

Question 7

How many people work at First.org?

Accepted Answer

First.org currently employs approximately 11-50 team members. Additionally, you can browse the complete employee directory to find specific contacts and departments.

Question 8

Where can I find First.org on social media?

Accepted Answer

You can connect with First.org on multiple social platforms: Facebook, Twitter, and LinkedIn. Furthermore, these social profiles often contain additional contact information and company updates.

Question 9

What is the domain registration information for first.org?

Accepted Answer

The first.org domain was originally registered on 1991-12-17 06:00:00. Additionally, the domain registrant information shows MarkMonitor Inc..

Question 10

When was First.org established?

Accepted Answer

First.org was founded in 1990. Therefore, they have been operating in their industry for several years, building expertise and professional relationships.

Question 11

Where is First.org headquartered?

Accepted Answer

First.org is headquartered in Morrisville, North Carolina, 27518, United States. Additionally, their specific office address is 2500 regency parkway.

Source URL	Date Discovered
https://www.first.org/global/sigs/seclounge/	2/12/2025
https://first.org	6/15/2025
https://pdfslide.net/documents/incident-respons...	3/13/2022
https://documents.pub/document/incident-respons...	7/21/2022
https://fdocuments.net/document/incident-respon...	8/14/2022
https://www.first.org/global/sigs/cpg/	11/3/2024
https://www.first.org/global/sigs/soc/	3/26/2025
https://www.egcert.eg/cybersecurity-summit-2019...	5/30/2021
https://pdfslide.net/documents/iot-smart-cities...	3/16/2022
https://fdocuments.net/document/iot-smart-citie...	8/16/2022
https://www.first.org/global/sigs/psirt/	9/8/2024
https://pdfslide.net/documents/cvss-v3-bangkok-...	3/12/2022
https://documents.pub/document/cvss-v3-bangkok-...	7/21/2022
https://fdocuments.net/document/cvss-v3-bangkok...	8/14/2022
https://pdfslide.net/documents/the-forum-of-inc...	3/17/2022
https://documents.pub/document/the-forum-of-inc...	7/21/2022
https://fdocuments.net/document/the-forum-of-in...	8/16/2022
https://www.rsaconference.com/experts/serge-droz	4/28/2025
https://www.first.org/newsroom/releases/20191219	9/7/2024
https://www.slideshare.net/robbiemitch006/an-in...	2/3/2021
https://pdfslide.net/documents/cybersecurity-ag...	3/12/2022
https://pdfslide.net/documents/cybersecurity-ag...	3/12/2022
https://documents.pub/document/cybersecurity-ag...	7/21/2022
https://fdocuments.net/document/cybersecurity-a...	8/14/2022
https://www.first.org/global/sigs/tlp/	9/7/2024
https://www.first.org/tlp/	9/8/2024
https://www.cirt.gov.bd/tlp/	9/14/2024
https://www.first.org/tlp/?ref=blog.kybervandal...	2/13/2025
https://lists.oasis-open.org/archives/cti/20160...	9/7/2024
https://www.first.org/events/colloquia/mauritiu...	3/17/2025

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