I think so too, under photo or nearby says something about “Thank you USSS”.
That theory is possible but there are also these 2 things:
1) secret service protects former presidents not just current president
2) The investigative mission of the USSS is to safeguard the payment and financial systems of the United States from a wide range of financial and electronic-based crimes. Including counterfeit U.S. currency, bank & financial institution fraud, mail fraud, wire fraud, illicit financing operations, and major conspiracies. Electronic investigations include cybercrime, network intrusions, identity theft, access device fraud, credit card fraud, and intellectual property crimes. The Secret Service is a key member of the FBI’s Joint Terrorism Task Force (JTTF) which investigates and combats terrorism on a national and international scale, as well as of the High Intensity Drug Trafficking Areas (HIDTA) task force which seeks to reduce and eliminate drug trafficking in critical regions of the United States. The Service also investigates missing and exploited children and is a core partner of the National Center for Missing & Exploited Children (NCMEC).
https://en.wikipedia.org/wiki/United_States_Secret_Service