Good blogs not included in the RSS list
https://www.esentire.com/resources/blog
https://assets.sentinelone.com/wt-customer-fr
https://www.hackread.com/
https://ti.defender.microsoft.com/
https://research.openanalysis.net/
https://security.microsoft.com/threatanalytics
https://twitter.com/hack_git
https://twitter.com/cyb3rops
https://github.com/Neo23x0