CCleaner hacked 2017-09-17 by Reuven Rubinson | Sep 18, 2017 | Articles to Share If you are using CCleaner should update to version 5.34 right away. http://start.att.net/news/read/category/News/article/bgr-hackers_hid_a_backdoor_in_a_security_app_that_has-rpenskemc