Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER (THE PRINCIPAL FINANCIAL OFFICER)

I, Michael Vesey, certify that:

1.I have reviewed this annual report on Form 10-K/A of Wayside Technology Group, Inc.; and

2.

Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

Date: April 29, 2020

/s/ Michael Vesey

Michael Vesey

Vice President

and Chief Financial Officer (principal financial officer)