Ritti said Snapchat planned to do more internal training. She declined to release a copy of Friday's phishing email, citing the ongoing law enforcement investigation.
Cybersecurity is a key issue for Snapchat's brand. More than 100 million people use the entertainment app each day, sometimes to send self-destructing photos and videos with sensitive content.
The company has had problems before. A vulnerability exploited by hackers in 2013 led to names and phone numbers of millions of users being compromised. Since then, the company has touted several measures to upgrade security.
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