What this record means
The record shows the mark KEEP IT SECURE KEEP US SECURE was abandoned after the applicant filed an express abandonment, with the latest status entry dated March 19 2000, and the owner listed as the National Security Agency, a federal agency. The only goods listed are “advertising and communicating to the public the cyber‑threat to the nation’s critical infrastructure” in International Class 035, so a similar name used in any advertising or public‑information campaign about cyber‑threats would be the closest area of concern. The record does not give the owner control over every possible use of those words in other contexts. Because the registration was on the Principal Register and never moved to the Supplemental Register, there is no examination sequence to note. The prosecution history ends with the abandonment notice and shows no oppositions, cancellations or court actions, so the supplied history shows no visible enforcement activity. I'd treat this as a meaningful concern if you plan to use a comparable phrase in cyber‑security advertising.
Informational only - not legal advice.