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0-Day Auctions in Ann Arbor

Apparently WabiSabi is not the only one with a marketplace for 0-day auctions.

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Ok, so it's a bit of a stretch, but I couldn't help but stop and take a picture when I saw the sign while driving down Stadium Blvd. Perhaps it would be a bit more ...


DIMVA 2007

I just got back from Switzerland, and despite numerous flight delays, cancellations, and lost luggage (thanks NWA!), it was a great trip. I presented some of my research at the Fourth International Conference on Detection of Intrusions and Malware and Vulnerability Assessment (DIMVA), and got to spend some vacation time ...


pynids 0.5a Update Released

pynids is a python wrapper for libnids, a Network Intrusion Detection System (NIDS) library offering sniffing, IP defragmentation, TCP stream reassembly and port scan detection. This release is an update to Michael Pomraning's 0.5 release to allow control of libnid's checksumming options.

Checksum Control

Many modern NICs ...


Cosign SSO Vulnerability

During an independent audit, I discovered a critical vulnerability in Cosign, a web-based single sign-on (SSO) platform which is currently in use at numerous large universities.

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Introduction to Cosign

Cosign is a web-based single sign-on system, written at the University of Michigan as part of the National Science Foundation Middleware ...


T-Mobile WiFi Hotspots

Some random technical notes on the T-Mobile WiFi Hotspots offered at locations such as Starbucks. Since I spend a fair amount of time at the 24-hour Starbucks on Washtenaw, I often end up playing around with the Cisco WAP instead of actually doing work.

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Cisco WAP Devices

The T-Mobile hotspots ...

Copyright © 2015 - Jon Oberheide <jon at oberheide dot org>.