Somali pirates are back in action but a full-scale return isn't likely

Some of the one hundred convicted Somali pirates serving jail terms at the Shimo La Tewa Maximum Security Prison in Mombasa County. [File, Standard]

Somali piracy was a major threat to the region and the world economy at its height in 2011.

That year alone, Somali pirates carried out 212 attacks, costing the world economy Sh2.8 trillion.