By Johannes B. Ullrich, Ph.D. Did You Spot “Invoke-Expression” ?
https://isc.sans.edu/forums/diary/Did+You+Spot+InvokeExpression/26762/
Apple Security Updates
https://support.apple.com/en-us/HT201222
Corporte VoIP Phone System Attacks
https://blog.checkpoint.com/2020/11/05/whos-calling-gaza-and-west-bank-hackers-exploit-and-monetize-corporate-voip-phone-system-vulnerability-internationally/
Mark Lucas: Replacing WINS in an Open Environment with Policy Managed DNS Servers
https://www.sans.org/reading-room/whitepapers/dns/replacing-wins-open-environment-policy-managed-dns-servers-39820
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