Posts
7.13.21
Cryptography Training Reveals a Security Surprise
A journey into cryptography revealed security exposure from an unlikely on-campus vendor.
Cal Jewell
6.18.21
How DNS Traffic Can Be a Canary in the Coal Mine
How a government agency stopped a DNS amplification attack attempt dead in its tracks.
Cal Jewell
2.4.21
Act Two: The Vendor Responds
The second installment of our story about investigating some very strange behavior happening on the network.
Cal Jewell
2.4.21
When You Detect Network Enumeration: A Real-World Example in Two Acts
A network enumeration detection sends a group of security professionals down a rabbithole. Read the blog to follow along as they investigate some very strange behavior happening on the network.
Cal Jewell
2.20.20
Threat Detection & Investigation in Active Directory
See how easy it is to track down potentially compromised assets with ExtraHop Reveal(x) in this real-world example discovered during an ExtraHop training session.
Cal Jewell
3.16.18
A True Story About Why East-West L7 Visibility is Critical For Threat Hunting
Follow along as we hunt a real threat using east-west L7 visibility from ExtraHop!
Cal Jewell