Category: Security

Information

Export Credential Manager to PowerShell

If you ever find yourself in a sticky wicket and need to extract usernames and passwords from Credential Manager (usually because you forgot them), you can use this handy-dandy little function from PowerShell:

function ExportCredMan
{
    # Dump local passwords from credential manager
    [void][Windows.Security.Credentials.PasswordVault,
… [ Continue reading ]
Configuration

Exchange Online Protection (EOP) Best Practices and Recommendations

Yes. I said it.

Someone needed to put a line in the sand and today, that person is me.  I’m going to say these are some best practices.

But of course, your mileage may vary, depending on your type of organization (users at a local bank or city government will have different threats presented to them than an engineering firm with international customers, for example). … [ Continue reading ]

Scripting

Searching the Office 365 Unified Audit Log for Specific Activities, Sites, and Users

Last week, I was working with a large government customer in a consolidated tenant (read: all agencies in a single, centrally-managed tenant).  One of the questions that was presented was how to search and filter the audit log for entries relating to the following categories:

  • Files shared by an agency or department’s users
  • Files accessed in an agency’s SharePoint site collection

To that end, I based together this script. … [ Continue reading ]

Configuration

Alerting on OneDrive Deleted Item Activity

I had a customer recently raise some questions about how to provide further enhancements and protections around their OneDrive for Business deployments.  Suppose this scenario exists:

  • Users are site collection administrators over their OneDrive for Business sites (default configuration)
  • Retention policies are configured, but may only be configured to provide a very minimal amount of data protection (such as 90 days from creation or last modification of data) due to organizational legal compliance
  • No retention policies are in effect for the target data (as all the data we’re concerned with is technically older than 90 day creation or last modified date)
  • Malicious or disgruntled user deletes OneDrive data
    • Deletes data in OneDrive
    • Empties recycle bin
    • Empties second stage recycle bin

At this point, for any data older than 90 days, it is lost.… [ Continue reading ]