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Archive for the 'security' Category

A brief history of WEP cracking

Posted by Irving Popovetsky on June 29th, 2009

Year
Number of 802.11 packets required to crack WEP

2001 – 2004
5-10 million  (FMS attack)

2004 – 2007
500k (unique IVs) on average for 128-bit WEP  (Korek attack)

2007 – 2008
40k (ARP packets) using the PTW attack

2008 – Present
25k (replayed packets)  using the ARP replay and/or chopchop replay, with combined [...]

Critical PDF Vulnerabilities in Blackberry Enterprise Server

Posted by Amber Pham on January 13th, 2009

Research in Motion has just released security bulletin KB17118 that announces a new set of vulnerabilities in the Blackberry Attachment Service that runs on Blackberry Enterprise Server (BES). According to Blackberry, “these vulnerabilities could enable a malicious individual to send an email message containing a specially crafted PDF file, which when opened for viewing [...]

Irving Popovetsky explains how to change the local Administrator account on all machines in a Windows Domain to a unique, strong password using VBscript scripting.

Interviewed for Inc. Technology

Posted by Irving Popovetsky on September 19th, 2008

I was recently interviewed by Michelle Rafter for Inc. Technology about best practices for Administrative Passwords.
Article link:  Psst! Whats the Password?

ASP and ASP.NET: Still easy targets for SQL injection

Posted by Irving Popovetsky on June 25th, 2008

Microsoft has released a security advisory (954462) warning users that automated SQL injection attacks against ASP and ASP.NET based sites are escalating.  Unlike about 5 years ago, most web developers I talk to today understand what SQL injection is and how to defend against it.
The new automated attacks are mostly focused on Content Management System [...]

Heads Up! Big vulnerabilities in Cisco PIX, VMware and Mac OSX

Posted by Irving Popovetsky on June 9th, 2008

Last week, quite a few major vulnerabilities were discovered in some of our customer’s favorite products, namely:

VMWare (all products, from ESX Server all the way down to VMware Player)
Cisco PIX and ASA (versions 7.1, 7.2, 8.0 and 8.1)
Mac OS X (Both Server and Client editions, 10.4 and 10.5 are affected)

Quite a few of these [...]