Complex sentence: The Advanced Encryption Standard (AES) standard was originally defined in US FIPS PUB 197, and was created to address the vulnerabilities presented by WEP, a dated, insecure protocol.
Split into simpler sentences: The Advanced Encryption Standard (AES) standard was originally defined in US FIPS PUB 197. It was created to address the vulnerabilities presented by WEP, a dated, insecure protocol.