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.

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The mod_dav_svn Apache HTTPD server module in Apache Subversion 1.x before 1.7.19 and 1.8.x before 1.8.11 allows remote attackers to cause a denial of service (NULL pointer dereference and server crash) via a REPORT request for a resource that does not exist.

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IBM Security Access Manager for Mobile 8.x before 8.0.1 and Security Access Manager for Web 7.x before 7.0.0 FP10 and 8.x before 8.0.1 allow remote attackers to conduct clickjacking attacks via a crafted web site.

CVE-2014-6077
Published: 2014-12-18
Cross-site request forgery (CSRF) vulnerability in IBM Security Access Manager for Mobile 8.x before 8.0.1 and Security Access Manager for Web 7.x before 7.0.0 FP10 and 8.x before 8.0.1 allows remote attackers to hijack the authentication of arbitrary users for requests that insert XSS sequences.

CVE-2014-6078
Published: 2014-12-18
IBM Security Access Manager for Mobile 8.x before 8.0.1 and Security Access Manager for Web 7.x before 7.0.0 FP10 and 8.x before 8.0.1 do not have a lockout period after invalid login attempts, which makes it easier for remote attackers to obtain admin access via a brute-force attack.

CVE-2014-6080
Published: 2014-12-18
SQL injection vulnerability in IBM Security Access Manager for Mobile 8.x before 8.0.1 and Security Access Manager for Web 7.x before 7.0.0 FP10 and 8.x before 8.0.1 allows remote authenticated users to execute arbitrary SQL commands via unspecified vectors.

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