Attached files

file filename
10-K - 10-K - QUALYS, INC.qlys-2019x1231x10kq412.htm
EX-32.2 - EXHIBIT 32.2 - QUALYS, INC.qlys-201910kxexht322.htm
EX-32.1 - EXHIBIT 32.1 - QUALYS, INC.qlys-201910kxexht321.htm
EX-31.2 - EXHIBIT 31.2 - QUALYS, INC.qlys-201910kxexht312.htm
EX-31.1 - EXHIBIT 31.1 - QUALYS, INC.qlys-201910kxexht311.htm
EX-21.1 - EXHIBIT 21.1 - QUALYS, INC.qlys-201910kxexht211.htm
EX-4.2 - EXHIBIT 4.2 - QUALYS, INC.qlys-201910kxexht42.htm

    
Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We have issued our reports dated February 21, 2020, with respect to the consolidated financial statements, schedule and internal control over financial reporting included in the Annual Report of Qualys, Inc. on Form 10-K for the year ended December 31, 2019. We consent to the incorporation by reference of said reports in the Registration Statements of Qualys, Inc. on Forms S-8 (File Nos. 333-184394, 333-193576, 333-202587, 333- 209735, 333-216232, 333-223192, and 333-229908).


/s/ GRANT THORNTON LLP

San Jose, California
February 21, 2020