4. YOUR USE OF THE SITE <strong>4.1 Your Responsibilities</strong> You will (a) be responsible for your compliance with this Agreement, (b) use commercially reasonable efforts to prevent unauthorized access to or use of the Site and notify Signaturely promptly of any such unauthorized access or use, and (c) use the Site only in accordance with the Documentation and all applicable laws and regulations, including, without limitation, applicable export control laws and regulations of the United States and other jurisdictions (as provided in more detail below). Signaturely utilizes state-of-the-art encrypted security measures (including but not limited to username and password protections). You are solely and exclusively responsible for the security of the usernames and passwords issued to you.