Scientists rally to defend schools against creationists

Creationists Challenge Creationists

A New Approach to Defend against Ddos

We propose a mechanism which combines the advantage of cryptographic client puzzle and hop count filtering as a countermeasure to spoofed DOS attack. Once the communication channel has been established then HCF starts its work wherein an Internet server can easily infer the hop-count information from the Time-to-Live (TTL) field of the IP header. Using a mapping between IP addresses and their h...

Using Delay to Defend Against Database Extraction

For many data providers, the “crown jewels” of their business are the data that they have organized. If someone could copy their entire database, it would be a competitive catastrophe. Yet, a data provider is in the business of providing data, so access to the database cannot be restricted entirely. How is the data provider to permit legitimate access to users who request access to small portio...

Hesburgh speaks Students rally against nuclear arms

lull tor's note: O bserver S ta f f R epor­ ter D iane D irkers recently ta lked w ith Dr. Charles Parnell, D irector o f Foreign Studies, a b o u t the recent hashish in c id en t in vo lv in g fo re ign studies partic ipan ts. D ue to the u n iversity ’s stance on press releases concerning the hash ish in c id en t in Innsbruck, however, Dr. P arnell was unab le to a n sw er a n y q u es­ tio...

Breaking out of the Browser to Defend Against Phishing Attacks

Current approaches to phishing prevention are focused on the web browser and the user’s interaction with it. We present a new approach to allowing users to interact reliably and securely with high-value and sensitive web sites, using protected links – a usercustomizable set of secure bookmarks, that not only identify but also authenticate their targets. By combining visually distinctive display...