Your SSN had been already stolen in the Equifax breach - unless you're so young or recently arrived that you haven't had SSN by then, in which case it had been

Your SSN had been already stolen in the Equifax breach - unless you're so young or recently arrived that you haven't had SSN by then, in which case it had been stolen in one of a dozens of the breaches since then. And if somehow you avoided all that, it will be stolen in the inevitable next breach, which would happen regardless of what you do.