Every new Connecticut business filing, every dayPerimeter Brief
Brian Squires, Principal
The site's tagline '5 stories. The business is registered in Vernon Rockville, Connecticut, matching the principal address on the filing.
Filed April 29, 2026 · Vernon Rockville, CT · Tolland County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3434122 · Retrieved July 27, 2026
About Perimeter Brief
Perimeter Brief LLC was filed in Connecticut on April 29, 2026, with Brian Squires as Principal. The company operates as a cybersecurity newsletter focused on a daily threat digest. Its website was first seen by DayOneLead 89 days after filing, and the site matched the filing name and address. No annual report or EIN on file yet.
- Filed in Connecticut on April 29, 2026.
- Brian Squires is the Principal.
- Website first seen 89 days after filing.
- Website identity confirmed against filing name and address.
- We estimate revenue under $100,000 and 1-5 employees.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated August 23, 2026.
One of 18 new businesses registered in Vernon Rockville in April 2026, and the only cybersecurity newsletter business registered there that month.
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Filing Details
Verified Business Profile
Contact Information
Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
Officers / Authorized Persons
Frequently Asked Questions
When was Perimeter Brief registered?
Perimeter Brief was registered as LLC on April 29, 2026 in Connecticut.
Where is Perimeter Brief located?
Perimeter Brief is based in Vernon Rockville, CT, 06066-2417, in Tolland County.
What type of business is Perimeter Brief?
Perimeter Brief is classified as a cybersecurity newsletter business (daily threat digest).
Does Perimeter Brief have an EIN on file?
No EIN was found on file for Perimeter Brief at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
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