Tortoiseshell is trolling for military veterans. There’s been a fresh Fancy Bear sighting. The transcript of a conversation between the US and Ukrainian presidents has been released. Citizen Lab warns that Poison Carp is actively working against Tibetan groups. A zero-day afflicting vBulletin forum software is out. GandCrab comes out of retirement. And there’s an odd spam campaign in circulation that looks like phishing but seems not to be.  Ben Yelin from UMD CHHS on the White House blocking Congress from auditing its offensive hacking strategy. Guest is Tim Keeler from Remediant looking at lateral movement in the context of the NotPetya attacks.
For links to all of today's stories check our our CyberWire daily news brief:
https://thecyberwire.com/issues/issues2019/September/CyberWire_2019_09_25.html 
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