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WhatsApp flaws could allow hackers to alter messages: Cybersecurity firm

August 08, 2019 / The Straits Times

A cybersecurity firm says it has identified flaws in the popular messaging app WhatsApp that could allow hackers to manipulate messages in both public and private conversations, raising the prospect of misinformation being spread by what appears to be trusted sources. Check Point Software Technologies, an Israeli company that provides security for computer networks, said its researchers found three potential ways to alter conversations. One uses the "quote" feature in a group conversation to change the appearance of the identity of a sender. Another lets a hacker change the text of someone else's reply. And the other, which has been fixed, would have let a person send a private message to another group participant disguised as a public message to all, so when the targeted individual responded, it was visible to everyone in the conversation.