The Twitter accounts of the Kenyan defence forces and its spokesman have been hacked by activists protesting about corruption.
“All of you who have stolen money #Kenya, we are coming after you,” reads one post.
Hackers group Anonymous says it is behind the attack.
Kenyan military spokesman Major Emmanuel Chirchir often uses Twitter to give updates of the war against Somalia’s al-Shabab militant group.
Last year, a group called Anonymous Africa hacked into the account of Zimbabwe’s defence ministry, and targeted the website of South Africa’s governing African National Congress.