This post is in partnership with Time. The article below was originally published at Time.com.
Twitter (TWTR) has updated its rules to prohibit posting nude or sexually explicit photos without the subject’s consent.
The new policies targeting so-called revenge porn mark Twitter’s latest move to crackdown on cyberbullying after previous updates over the past few months, including a new way to flag abusive tweets and a streamlined method of reporting harmful content.
“You may not post intimate photos or videos that were taken or distributed without the subject’s consent,” reads a line in Twitter’s “content boundaries” that was added Wednesday.
The social-media site has come under fire for its lax controls against cyberbullying, but has recently moved to take a tougher stance against online harassment. Last month, CEO Dick Costolo admitted in a leaked memo that, “We suck at dealing with abuse and trolls.”