ISC StormCast for Wednesday, March 2nd, 2022

Geoblocking when you can't Geoblock
https://isc.sans.edu/forums/diary/Geoblocking+when+you+cant+Geoblock/28392/
IsaacWiper and HermeticWizard: New wiper and worm targeting Ukraine
https://www.welivesecurity.com/2022/03/01/isaacwiper-hermeticwizard-wiper-worm-targeting-ukraine/
Memory Corruption Vulnerabilities in PJSIP
https://jfrog.com/blog/jfrog-discloses-5-memory-corruption-vulnerabilities-in-pjsip-a-popular-multimedia-library/
Octa Patch for Advanced Server Access Client
https://trust.okta.com/security-advisories/okta-advanced-server-access-client-cve-2022-24295
ViaSat Outage
https://www.reuters.com/business/aerospace-defense/satellite-firm-viasat-probes-suspected-cyberattack-ukraine-elsewhere-2022-02-28/