Choose your extensions carefully
Choose your extensions wisely - one basic rule when you develop a Joomla site. And same applies to you, weekend webmasters! Your site is a sitting duck, waiting for hackers (especially script kiddies. Well, easy to say it, but what can be seen as "wise" choice here?
Patch your outdated Joomla installs
As I write this, both Joomla 1.5 and 2.5 have reached their EOL (End Of Life) for long time, and are not developed or supported anymore. This is a huge security risk, so the best advice here is to upgrade your Joomla site to the latest version. But what if you don't have the time/funds to do it right now?
Sucuri's Hacked Website Report 2017
The most comprehensive analysis of trends in the website security finally is out. There are couple of interesting fact worth highlighting.
Most important is something we expected: Joomla is emerging as the most secure CMS.