5thColumn

5thcolumn.net

computer & network security

5thcolumn.net

Chicago, Illinois, United States

11-50 employees

6000000 revenue

LinkedIn Profile

About 5thColumn

enterprise security services, security assessment services, data center management, network as a sensor, cisco, sourcefire trustsec, ise & amp, it operations management, managed security services, cyber security, security, internet, information technology, computer & network security, information technology & services

· 2 decision makers · Emails available

Sales Outreach Angle

5thColumn. Use StackWho to identify the right decision-maker email for targeted sales outreach, recruiting, or partnership development.

5thColumn's Position in the StackWho Database

• 5thColumn is 1 of 4,889 computer & network security companies tracked in StackWho.
• 4,875 computer & network security companies in our database have verified decision-maker emails (100% of the cohort).
• 11,640 companies in Illinois are in the StackWho database.
• 2,072 computer & network security companies are in the 11-50 employee range (same size as 5thColumn).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does 5thColumn use?

Full technology stack data for 5thColumn is available on StackWho.

How do I contact the decision makers at 5thColumn?

StackWho has verified email addresses for 2 decision makers at 5thColumn. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach 5thColumn directly for sales, recruiting, or partnerships.

What industry is 5thColumn in?

5thColumn operates in the computer & network security industry, headquartered in Chicago, Illinois, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.