Tel:     305-381-8000 Fax:     305-374-1135 www.bdo.com 100 SE 2nd St., Suite 1700 Miami, FL 33131

Consent of Independent Registered Public Accounting Firm

Appgate, Inc.

Miami, Florida

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No.333-261619) of Appgate, Inc. of our report dated March 31, 2023, relating to the consolidated financial statements, which appears in this Form 10-K. Our report contains an explanatory paragraph regarding the Company's ability to continue as a going concern.

/s/ BDO USA, LLP

Miami, Florida

March 31, 2023

BDO USA, LLP, a Delaware limited liability partnership, is the U.S. member of BDO International Limited, a UK company limited by guarantee, and forms part of the international BDO network of independent member firms.

BDO is the brand name for the BDO network and for each of the BDO Member Firms.