A Real-Life Hacker Reveals What You Should Stop Doing Online

One tip: Before you Insta that photo, pay attention to what’s in the background.

Stephanie Carruthers is a “white hat” hacker known as Snow whose clients include both Fortune 100 companies and startups. In 2014, she won the Social Engineering Capture the Flag competition at DEF CON, one of the world’s oldest and largest hacking conferences. She’s a frequent presenter at hacking conventions and shares her expertise with businesses hoping to beef up their online security.

We asked Snow over Twitter about the work she does and what tips she has for keeping people safer online.