Data security and privacy
Secure data storage, data loss prevention and encryption are must-have components of any enterprise security strategy, especially as data threats and breaches become increasingly common. Get advice on these topics, along with the latest data security strategies, data backup and recovery info, and more.
Top Stories
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05 Feb 2025
Chainalysis records 35% decrease in ransom payments in 2024
While the first half of 2024 was on pace to surpass 2023's record-setting numbers, Chainalysis found that the volume of ransom payments dropped in the second half of the year. Continue Reading
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04 Feb 2025
AMD, Google disclose Zen processor microcode vulnerability
AMD said CVE-2024-56161, which first leaked last month, requires an attacker to have local administrator privileges as well as developed and executed malicious microcode. Continue Reading
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17 Oct 2011
Comparing relational database security and NoSQL security
In this introduction to database security, expert Michael Cobb explains the differences between relational database and NoSQL security. Continue Reading
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05 Nov 2010
Outsourcing data center services: SMB security best practices
Learn best practices for outsourcing data center services and about the security and compliance considerations that influence whether an SMB should outsource data center services. Continue Reading
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18 Oct 2010
Data classification best practices in financial services
Data classification is critical in the highly regulated financial industry. Learn key steps for data classification. Continue Reading
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14 Jun 2010
Your USB port management options
When it comes to managing USB ports, the choice is yours. Mike Chapple reviews your three best options. Continue Reading
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19 May 2010
MD5 security: Time to migrate to SHA-1 hash algorithm?
Many organizations have been replacing the MD5 hash algorithm with the SHA-1 hash function, but can the MD5 hash algorithm still be used securely? Continue Reading
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17 Dec 2009
Personally identifiable information guidelines for U.S. passport numbers
Do U.S. passport numbers count as personally identifiable information? Learn more about guidelines for PII in this security management expert response from David Mortman. Continue Reading
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03 Nov 2009
How to protect employee information in email paystubs
Many companies are moving to a system of paperless paystubs. Learn how to protect the information contained in these email paystubs with the use of secure email in this expert response. Continue Reading
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23 Oct 2009
What is an encryption collision?
Michael Cobb reviews how encryption collision attacks on cryptographic hash functions could compromise the security of all kinds of digital systems. Continue Reading
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28 Aug 2009
What are new and commonly used public-key cryptography algorithms?
Expert Michael Cobb breaks down a variety of encryption algorithms and reviews the use cases for several types of cryptography. Continue Reading
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25 Aug 2009
What are the export limitations for AES data encryption?
Although AES is free for any use public or private, commercial or non-commercial programs that provide encryption capabilities are subject to U.S. export controls. Expert Michael Cobb reviews the limitations. Continue Reading
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09 Jan 2009
Comparing FTP vs. TFTP
There are some differences between FTP and TFTP, but here's the catch: both are inherently insecure protocols. Continue Reading
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05 Nov 2008
Lessons learned: The Countrywide Financial breach
The data breach at Countrywide Financial Corp. seems like something out of a TV crime drama: Two men regularly copied customer data and secretly sold it as leads to other mortgage brokers. The tale suggests that data theft is, more often than not, an inside job. Robert Mullins reviews internal threats, and the authorization and access control practices that can stop them. Continue Reading
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27 Mar 2008
Is Triple DES a more secure encryption scheme than DUKPT?
Both DES and TDES use a symmetric key, but Michael Cobb explains their separate and distinct roles in protecting financial transactions. Continue Reading
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07 Nov 2007
What are the security risks of a corporate divestiture?
Security management expert Mike Rothman discusses the data protection issues involved with a corporate divestiture . Continue Reading
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01 Oct 2007
How should sensitive customer data, such as driver's license information, be handled?
In this Q&A, Identity management and access control expert Joel Dubin discusses how to properly protect the personal data of a driver's license. Continue Reading
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31 May 2007
What should be done with a RAID-5 array's failed drives?
Even one failed drive in a RAID-5 array can present an enterprise with serious data protection concerns. In this SearchSecurity.com Q&A, expert Michael Cobb explains which policies can protect and recover RAID-5 data. Continue Reading
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24 May 2007
What are the alternatives to RC4 and symmetric cryptography systems?
In this SearchSecurity.com Q&A, network security expert Mike Chapple explains how RC4 encryption stacks up against public key cryptography. Continue Reading
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18 Apr 2007
How to verify 140-2 (FIPS 140-2) compliance
In this SearchSecurity.com Q&A, identity management and access control expert, Joel Dubin, discuses several ways to verify that Federal Information Processing Standard 140-2 is being enforced. Continue Reading