Description
Apple has released updates to address vulnerabilities affecting multiple products. It is recommended that you take the necessary precautions by ensuring your products are always updated.
https://support.apple.com/en-us/HT210726
https://support.apple.com/en-us/HT210727
https://support.apple.com/en-us/HT210728
2019-001, and Security Update 2019-006
https://support.apple.com/en-us/HT210722
https://support.apple.com/en-us/HT210724
https://support.apple.com/en-us/HT201222
https://support.apple.com/en-us/HT210725
https://support.apple.com/en-us/HT210721
https://support.apple.com/en-us/HT201222
https://support.apple.com/en-us/HT210723
The Guyana National CIRT recommends users and administration to follow these guidelines and to apply them where necessary.
Reference
Apple release Security Updates (US-Cert)
https://www.us-cert.gov/ncas/current-activity/2019/10/30/apple-releases-security-updates