Tag Archives: Encryption

#Oracle Database Application #Security book is finally out. #infosec #encryption #audit #SecureCoding #PrivilegeAnalysis #OID #OAM #OIM

https://www.amazon.com/Oracle-Database-Application-Security-Directory/dp/1484253663/ref=sr_1_1?keywords=oracle+database+lockard&qid=1573050833&sr=8-1 It’s been a year long process now the book is finally been released. There are a few things I would have written different and a few other subjects I would have liked to cover. Perhaps that will come in … Continue reading

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Common mistake when loading data into an #encrypted database.

There is a mistake that I’m seeing frequently. Loading a raw data file into an encrypted database then leaving the data file on an unencrypted device. After loading the data into the database; if you don’t need the data file … Continue reading

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Demo code for Ghost Data in Indexes

NOTE: all demo data is fake. This is the demo code for encrypting data where there is an existing index. We are starting with a table customers_tst that is in the unencrypted tablespace dat. start with dropping the old test … Continue reading

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#infosec RSA Encryption Explained

One of my favorite channels on youtube; numberphile explains RSA Encryption better then I could.  

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#Oracle #TDE Ghost Data Teaser

Here is a teaser for the Oracle Transparent Data Encryption presentation We look at having an existing table with existing indexes. A policy comes out that says we need to encrypt SSN and Credit Card Numbers. Once we encrypt the … Continue reading

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Oracle #OTN #OPSEC #TMTT

Oracle Technology Network Two Minute Tech Tip. Oracle Transparent Data Encryption.

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Oracle Transparent Data Encryption Baseline Practices webinar

I will be giving a webinar on Oracle Transparant Data Encryption Baseline Practices August 27, 2015 at 3PM. Sponsored by @odtug  Why “Baseline Practices?” well best practices does not seem to be working so we are going to start improving … Continue reading

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#Oracle #TDE #dataleak #Histograms

While at #KSCOPE15, I was asked about encrypted data showing up in histograms.  So, I ran a few experiments and learned that encrypted data does indeed leak. I contacted Oracle through an old friend to get their input. Here is … Continue reading

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Oracle Transparent Data Encryption Performance. Oracle 12.1.0.2 on Linux 5

  Some performance test on Oracle TDE.  I have three tables t1, t2 and t3. All three tables have identical data and 1.6M rows. I’m going to come back and visit this a bit more later, but want to get … Continue reading

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Encrypt those backups

April 2005 Ameratrade loses a backup tape containing information on 200,000 customers. February 2005 Bank of America loses backup tapes containing information on 1.2 million charge cards. September 2011, SAIC loses backup tapes of 4.9 Million members of the military … Continue reading

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