Data Security
The Definitive Guide to Cryptographic Hash Functions (Part 1)
Aug 02, 2012
Give me any message and I will create a secret code to obscure it. Try it! “This really opened my eyes to AD security in a way defensive work never...
The Difference Between Everyone and Authenticated Users
Jul 03, 2012
In order to maintain proper access controls, it’s crucial to understand what every entity on an access control list (ACL) represents, including the implicit identities that are built into a...
SharePoint Permissions Cheat Sheet
Jun 05, 2012
Complexity is dangerous in the security world. The harder something is to understand, the harder it is to protect. SharePoint falls squarely into this category. Configuring permissions in SharePoint can...
Exchange Journaling and Diagnostics: How to
May 03, 2012
Journaling and Diagnostics Logging are services to monitor and audit activity on Microsoft Exchange servers. They provide basic auditing functionality for email activity (e.g. who sent which message to whom)...
5 Things You Should Know About Big Data
Apr 24, 2012
Big data is a very hot topic, and with the Splunk IPO last week seeing a 1999-style spike, the bandwagon is overflowing. We’re poised to see many businesses pivoting into...
What is OAuth? Definition and How it Works
Apr 05, 2012
OAuth (Open Authentication) is an open-standard authorization protocol or framework that provides applications the ability for “secure designated access.” It is a way for users to grant websites or applications access to their information without giving away their passwords.
Giving Away Your Passwords
Mar 30, 2012
You might have seen the headlines from the past couple of weeks detailing how some employers were demanding employees hand over their Facebook passwords or else. Privacy violation? Just a...
Fixing the Open Shares Problem
Mar 29, 2012
I recently spoke with an IT administrator who had started a manual open share cleanup project—finding and locking down folders and SharePoint sites open to global access groups like Everyone,...
Why Do SharePoint Permissions Cause So Much Trouble?
Jan 06, 2012
SharePoint permissions can be the stuff of nightmares. At Varonis, we get a chance to meet with a lot of SharePoint administrators and it’s rare that they’re not exhausted trying...
Open Shares
Nov 03, 2011
In my post last week, Share Permissions, I promised I’d write a follow up post on “open shares.” Open shares, in a nutshell, are folders that are accessible to all…
Share Permissions
Oct 25, 2011
In one of our recent posts, What About Individual Users on ACL’s? I mentioned that some organizations have opted for using Windows share permissions instead of NTFS permissions for file...
Levels of Data Protection
Sep 24, 2011
Wednesday, I spoke at ISSA’s monthly chapter meeting in Colorado Springs. Speaking at ISSA chapter events is great, because it’s always an intelligent crowd that quickly grasps issues around data...
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