Tucows, Inc. (ticker: TIXT) disclosed in its 10-K Item 1C that its IT systems are susceptible to cyber-attacks. The company maintains an Information Security Management System (ISMS) aligned with NIST and ISO 27001, utilizes 24/7 Security and Network Operations Centers, and engages third-party DFIR providers. No specific incident, material impact, or breach event was reported in this filing.