DEFCON - https://www.defcon.org/
Black Hat - https://www.blackhat.com/
BSides - https://www.securitybsides.org.uk/
Recorded Future Predict - https://predict.recordedfuture.com/
SANS/NCSC CyberThreat - https://cyberthreat.io/
Sleuthcon - https://www.sleuthcon.com/
CyberWarCon - https://www.cyberwarcon.com/
VirusBulletin - https://www.virusbulletin.com/
Botconf - https://www.botconf.eu/
PivotCon - https://pivotcon.org/