ISC StormCast for Friday, May 17th 2019

The Risk of Authenticated Vulnerability Scans
https://isc.sans.edu/forums/diary/The+Risk+of+Authenticated+Vulnerability+Scans/24942/
ARIN Revokes about 735,000 IP Addresses
https://www.arin.net/vault/about_us/media/releases/20190513.html
More Cisco Patches (Prime Infrastructure, EPN Manager)
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-pi-rce
Instrument Landing Systems Spoofing
https://aanjhan.com/assets/ils_usenix2019.pdf