Security Now 776

• Here's how Twitter was hacked. How can we prevent the next Twitter hack?
• Cloudflare outage takes out huge swath of American internet, including Down Detector. All internet got sent to Atlanta.
• Zoom's vanity URL flaw: when is a "zero day" not a zero day?
• Not all VPNs are created equal.
• Apple updated its iOS and macOS with a handful of useful security patches.
• SigRed: “This is not just another vulnerability.”
• And speaking of last week's July Patch Tuesday...
• “Firefox Send” is still not receiving.
• A tale of two counterfeits.

We invite you to read our show notes at https://www.grc.com/sn/SN-776-Notes.pdf

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