ICSA Labs tests, assesses, and validates SSL-TLS VPNs in a simulated, real-world environment. ICSA labs testing criteria are publicly posted for review and comment by industry groups, industry experts, and corporate end users. ICSA has updated its testing criteria with significant changes in functional, security and cryptographic requirements. These include cache cleaning testing, which now protect sensitive data remaining, even in the case of abnormal session termination. Stronger and more updated ciphersuites (AES) are also required.”]
Source: https://www.darkreading.com/attacks-breaches/icsa-labs-certifies-sonicwall