The Center for Internet Security (CIS) released an updated version (v2.0) of their CIS AWS Benchmark last week. The new version of the benchmark includes 2 new recommendations, 1 removed, and updates to descriptions and remediation steps.
The Steampipe AWS Compliance mod, is packed with hundreds of open source controls that evaluate your AWS accounts for compliance with 25 benchmarks (NIST, PCI, SOC2, etc). The mod now also includes new controls for AWS CIS v2.0.