Avoid Getting Hacked! Presentation on Joomla! Web Security
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The document discusses how to avoid getting hacked when using Joomla for a website. It recommends securing the website by validating inputs, upgrading to the latest versions of Joomla and extensions regularly, using strong passwords, enabling access controls, performing regular backups, monitoring logs for suspicious activity, and referring to security checklist resources. The presentation also suggests choosing a reputable host, hiding the administrator login, and being aware of vulnerable extensions.
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Avoid Getting Hacked! Presentation on Joomla! Web Security
- 1. Avoid Getting Hacked Joomla! Web Security Northern Virginia Joomla Users Group January 2012 Dorothy Firsching, Ursa Major Consulting, LLC [email protected] 1-19-2012 www.ursamajorconsulting.com 1
- 2. Agenda Discuss Security Considerations and Approaches Identify Resources and References Additional Programs / Presenters? 1-19-2012 www.ursamajorconsulting.com 2
- 3. Joomla! Web Security Discussion PHP-based / database driven sites are vulnerable SQL Injections -- Commands where data input is expected Validate Inputs and Enforce size Current version of PHP with appropriate settings Secure coding practices -- http://joomladaymidwest.org/news/slides- and-video/2011/slides-jeff-channell- secure-php-coding-practices.html 1-19-2012 www.ursamajorconsulting.com 3
- 4. Pick a Good Host Shared Host Vulnerabilities http://docs.joomla.org/Security_Checklist_2 _-_Hosting_and_Server_Setup Choose a good hosting provider – experienced in Joomla; responsiveness; forums / helps Appropriate permissions Directories = 755 Files = 644 .htaccess, configuration.php = 644 Webserver is set up to use user account as owner of PHP-created files 1-19-2012 www.ursamajorconsulting.com 4
- 5. Upgrade Regularly Upgrade to Latest Version of Joomla Akeeba Admin Tools Use Safe Extensions Upgrade Extensions Check the vulnerability list -- http://docs.joomla.org/Vulnerable_Extensions_List Subscribe to updates Keep a spreadsheet of your sites And the versions they use 1-19-2012 www.ursamajorconsulting.com 5
- 6. Joomla Setup Password protect folders in control panel Use a site-specific database username and password Change jos_ table prefix Hide Admin login jSecure Authentication Plugin add a suffix to your back-end URL to make it look like this: http://www.mysite.com/administrator?199abbetc 1-19-2012 www.ursamajorconsulting.com 6
- 7. Access Control http://docs.joomla.org/Security_Checklist_4_-_Joomla_Setu Strong Passwords Change Admin Username and Number Default ID for admin user in Joomla is 62, and this may be used by a hacker Create a new super-administrator with another user name and a strong password Log out and in again as this new user Change original admin user to a manager and save (you are not allowed to delete a super-administrator). Delete original admin user (user ID 62) and rename from the default Admin to a new one. 1-19-2012 www.ursamajorconsulting.com 7
- 8. Backups / Upgrades Akeeba Backup Remove backups from site Multi-backup scheme Test restoration / upgrades Test site is helpful Hosting provider backups Hosting provider virus scans or site backup using local download / scan http://docs.joomla.org/Security_Checklist_6_-_S 1-19-2012 www.ursamajorconsulting.com 8
- 9. Vulnerabilties Old Joomla! versions Community Builder before 1.7.1 JCE before 2.0.19 Unchecked user input (SQL injection, buffer overflows) eXtplorer left on site http:// docs.joomla.org/Vulnerable_Extensions_L 1-19-2012 www.ursamajorconsulting.com 9
- 10. Check What’s Happening Logs / AWSTATS / other packages Google Analytics File Modification Dates / Contents 1-19-2012 www.ursamajorconsulting.com 10
- 11. Resources http://docs.joomla.org/Category:Security_Check http://joomladaymidwest.org/news/slides-and-v Securing PHP Web Applications, Tricia Ballard and William Ballard, 2009 Joomla! Web Security, Tom Canavan, Packt Publishing, 2008; out-of-date but still useful. 1-19-2012 www.ursamajorconsulting.com 11