Thomas LaRock notes that SQL Slammer is still out there:
But all of that is in the past. Here’s what you need to know about SQL Slammer today.
First, this worm infects unpatched SQL 2000 and MSDE instances only. About a month ago, I would have thought that the number of such installs would be quite small. But the recent uptick in Slammer tells me that there are enough of these systems to make Slammer one of the top malware detected at the end of 2016. And a quick search at Shodan shows thousands of public-facing database servers available. And if you want to have some real fun at Shodan®, Ian Trump (blog | @phat_hobbit) has a suggestion for you.
Click through for ways to protect yourself. The best way to protect yourself is not to have SQL Server 2000 around anymore.