Andreas Wolter
andreaswolter.bsky.social
Andreas Wolter
@andreaswolter.bsky.social
Microsoft Certified Solutions Master Data Platform (MCM+MCSM), ex Microsoft PM SQL Security. He/him. Former or current resident of 🇩🇪 🇬🇧 🇦🇪 🇹🇭 🇻🇳 🇺🇸
Published the final article in my 3-part series about the challenges of auditing access to data in Microsoft #SQLServer, #AzureSQL, and SQL #database in #Fabric: andreas-wolter.com/en/202510_da...
Shedding light on several tricky ways to evade auditing — were you aware of all of them❓
Evading Data Access Auditing in Microsoft SQL Server – special commands – and how to close the gaps - Andreas Wolter
andreas-wolter.com
October 7, 2025 at 10:16 PM
I was asked to review a vulnerability discovered in Auditing Classified Data in #SQLServer. It is a valid security risk, since it enables undetected data exfiltration by a low-privileged user.
For details and guidance, check out my post here: andreas-wolter.com/en/2509-sql-...
Bug in Auditing allows for undetected Data Exfiltration by low privileged user - Andreas Wolter
andreas-wolter.com
September 9, 2025 at 7:01 PM
Published a more elegant and straightforward solution for auditing access to specific data in Microsoft #SQLServer and #AzureSQL, using Data Classification: andreas-wolter.com/en/202508_da...
How to Use Data Classification to Audit specific Data Access in SQL Server - Andreas Wolter
andreas-wolter.com
August 19, 2025 at 7:19 PM
Important Security fixes for #SQLServer 2016–2022: 5 CVE’s of type Elevation of Privilege Vulnerability. Ranging from #SQLInjection via system procedures to permission adjustments and easy to implement. Secure your systems: msrc.microsoft.com/update-guide...
August 13, 2025 at 10:24 PM
Evading Data Access Auditing in Microsoft #SQLServer 🕵️
this article demonstrates data access that is not captured by common Audit definitions and how to ensure also indirect access to data is audited andreas-wolter.com/en/202508_ev...
Evading Data Access Auditing in Microsoft SQL Server – and how to close the gaps - Andreas Wolter
andreas-wolter.com
August 7, 2025 at 6:33 PM
Article: recommended minimum security audit definition for database systems, using Microsoft #SQLServer as example:
Audit every change to the system’s security configuration. andreas-wolter.com/en/202507_re...
Recommendation for Security Auditing for databases - with example for Microsoft SQL Server - Andreas Wolter
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andreas-wolter.com
July 29, 2025 at 3:28 PM
Tomorrow: live Roundtable on a growing issue: database sprawl. It wreaks havoc on performance, security, and cost. We’ll talk openly about how to assess what’s running and take back control. If this has become a challenge in your organization, I hope you’ll join us. www.linkedin.com/events/manag...
Managing Database Sprawl: Finding Control in a Growing Environment | LinkedIn
As database environments scale, so do complexity and cost. From forgotten dev instances to sprawling clusters of mission-critical workloads, database sprawl creates risks that are easy to ignore—and t...
www.linkedin.com
June 17, 2025 at 9:11 PM
What happens if you leave #SQLServer exposed to the internet? As you may have seen, that is exactly what I did for my PreCon at the #SQLSaturday New York City conference. Here I am sharing what happened:
10 hours of SQL Server under attack – takeaways
andreas-wolter.com/en/2505_sqls...
10 hours of SQL Server under attack – takeaways - Andreas Wolter
andreas-wolter.com
May 13, 2025 at 9:47 PM
And the winner of the first hacking attempt on the #SQLSaturday NYC Performance Monitoring lab environment is: #Iran 👏 applause applause.. 😀
I am taking bets for the main event Friday!
May 7, 2025 at 9:31 PM
Next Thursday, 4/17, at the NTSSUG user group meeting: how to approach #DataSecurity for #SQLServer and #AzureSQL from a strategic perspective, live at the Microsoft office in Irving, TX. Sign up for the free event here: www.meetup.com/north-texas-...
April 10, 2025 at 4:40 PM
31 days left: #SQLServer Performance Monitoring at #SQLSaturday in New York City on May 9th!
Your chance to test your knowledge and analyze my server's workload live during the session! - using Extended Events or DMV queries from your own machine: www.eventbrite.com/e/practical-...
April 8, 2025 at 7:43 PM
Are you interested in learning how to troubleshoot performance issues on your own, rather than relying on costly consultants like me? 😉
Join me and others for my PreCon on #SQLServer Performance Monitoring at #SQLSaturday in New York City on May 9th!
Sign-up here: www.eventbrite.com/e/practical-...
April 3, 2025 at 6:15 PM
#SQLServer #security admins, attention: #Auditing is missing attempts to change permissions, leading to #repudiation and miss elevation attempts
Please upvote for bug-fix
andreas-wolter.com/en/2502-sql-...
February 10, 2025 at 7:57 PM
The challenges for least privilege: When sysadmin is still required in Microsoft #SQLServer
a fresh update on the sysadmin requirements for SQL Server 2022 - and why CONTROL SERVER can be dangerously misleading. andreas-wolter.com/en/least-pri... #DataSecurity
The challenges for least privilege: When sysadmin is still required in Microsoft SQL Server - Andreas Wolter
andreas-wolter.com
February 6, 2025 at 6:25 PM
New article out> Protecting database data at rest:
Comparing the different encryption methods SQL Server offers, regarding how well they protect data at rest, and why I don't push for #TDE everywhere.
andreas-wolter.com/en/protectin... #DataEncryption #DatSecurity
Protecting database data at rest: Transparent Data Encryption, Backup Encryption or Always Encrypted - Andreas Wolter
andreas-wolter.com
January 16, 2025 at 5:11 PM
New article: #TLS 1.2 and trusted certificates to encrypt data in transit for all SQL Servers, including development environments andreas-wolter.com/en/tls-trust... #SQLServer #Encryption
Use TLS 1.2 and trusted certificates to encrypt data in transit for all SQL Servers, including development environments - Andreas Wolter
andreas-wolter.com
November 26, 2024 at 2:28 AM