Author
 Vincent Liu

Profile of Vincent Liu

News & Commentary Posts: 11
Vincent Liu (CISSP) is a Managing Partner at Stach & Liu, a security consulting firm providing services to the Fortune 500, global financial institutions, and high-tech startups. In this role, he oversees firm strategy, practice development, and client matters.

Vincent is a well-recognized industry expert with columns in Dark Reading and SecurityWeek. He has presented at Black Hat, ToorCon, InfoSec World, SANS, and Microsoft BlueHat. In addition to regularly being cited by the press, Vincent has been featured on Al Jazeera television news, quoted in USA Today, and interviewed in CSO Magazine. He has also co-authored several industry best-selling books, including: Hacking Exposed Wireless 1st and 2nd Edition; Hacking Exposed Web Applications 3rd Edition, and most recently Web Application Security A Beginner's Guide.

Prior to founding Stach & Liu, Vincent led the Attack & Penetration team for the Global Security unit at Honeywell International. Before that, he was a consultant with the Ernst & Young Advanced Security Centers and an analyst at the National Security Agency. In these roles, he gained extensive experience conducting risk assessments, analyzing source code, and performing penetration testing.

Vincent holds a Bachelor of Science and Engineering from the University of Pennsylvania with a major in Computer Science and Engineering and a minor in Psychology.

He can be reached on Twitter @vinnieliu.
Articles by Vincent Liu

The What And The Why Of Professional Penetration Testing

9/20/2010
Welcome to the first in a series of posts on professional penetration testing. During the course of the next few entries, I will shed light on the often confusing and rarely straightforward world of penetration testing based on my experience during the past decade as both a professional penetration tester and a manager of penetration testing teams.

Post a Comment
Register for Dark Reading Newsletters
White Papers
Cartoon
Current Issue
Flash Poll
10 Recommendations for Outsourcing Security
10 Recommendations for Outsourcing Security
Enterprises today have a wide range of third-party options to help improve their defenses, including MSSPs, auditing and penetration testing, and DDoS protection. But are there situations in which a service provider might actually increase risk?
Video
Slideshows
Twitter Feed
Dark Reading - Bug Report
Bug Report
Enterprise Vulnerabilities
From DHS/US-CERT's National Vulnerability Database
CVE-2013-2184
Published: 2015-03-27
Movable Type before 5.2.6 does not properly use the Storable::thaw function, which allows remote attackers to execute arbitrary code via the comment_state parameter.

CVE-2014-3619
Published: 2015-03-27
The __socket_proto_state_machine function in GlusterFS 3.5 allows remote attackers to cause a denial of service (infinite loop) via a "00000000" fragment header.

CVE-2014-8121
Published: 2015-03-27
DB_LOOKUP in nss_files/files-XXX.c in the Name Service Switch (NSS) in GNU C Library (aka glibc or libc6) 2.21 and earlier does not properly check if a file is open, which allows remote attackers to cause a denial of service (infinite loop) by performing a look-up while the database is iterated over...

CVE-2014-9712
Published: 2015-03-27
Websense TRITON V-Series appliances before 7.8.3 Hotfix 03 and 7.8.4 before Hotfix 01 allows remote administrators to read arbitrary files and obtain passwords via a crafted path.

CVE-2015-2157
Published: 2015-03-27
The (1) ssh2_load_userkey and (2) ssh2_save_userkey functions in PuTTY 0.51 through 0.63 do not properly wipe SSH-2 private keys from memory, which allows local users to obtain sensitive information by reading the memory.

Dark Reading Radio
Archived Dark Reading Radio
Good hackers--aka security researchers--are worried about the possible legal and professional ramifications of President Obama's new proposed crackdown on cyber criminals.