This week on Cyber Frontiers we catch up on some of the latest exploitations and availability drops on the web. We kick off with a discussion of the release of the TCP SACK panic as a new mechanism for DDoS via TCP protocol. We then cover a spectrum of relevant security news with the Microsoft OS product line to round off our security deep dives. On the availability side, we recap the Target outage and the Google Cloud Outage and what it means for consumers. We round things off with some healthy skepticism of Facebook’s new Libra crypto-currency. And as