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The Hacker News - Cybersecurity News and Analysis: whatsapp account

WhatsApp Flaw Lets Users Modify Group Chats to Spread Fake News

WhatsApp Flaw Lets Users Modify Group Chats to Spread Fake News

August 08, 2018Swati Khandelwal
WhatsApp, the most popular messaging application in the world, has been found vulnerable to multiple security vulnerabilities that could allow malicious users to intercept and modify the content of messages sent in both private as well as group conversations. Discovered by security researchers at Israeli security firm Check Point, the flaws take advantage of a loophole in WhatsApp's security protocols to change the content of the messages, allowing malicious users to create and spread misinformation or fake news from "what appear to be trusted sources." The flaws reside in the way WhatsApp mobile application connects with the WhatsApp Web and decrypts end-to-end encrypted messages using the protobuf2 protocol . The vulnerabilities could allow hackers to misuse the 'quote' feature in a WhatsApp group conversation to change the identity of the sender, or alter the content of someone else's reply to a group chat, or even send private messages to one of
Brazil blocks WhatsApp for 72-Hours — Here's Why

Brazil blocks WhatsApp for 72-Hours — Here's Why

May 03, 2016Swati Khandelwal
In Brief For the second time in past five months, a Brazil court ordered local telecommunications companies to block the popular messaging app WhatsApp for 72 hours, afterFacebook-owned WhatsApp company refused to hand over information requested in a drug trafficking investigation. The WhatsApp's shutdown is affecting more than 100 million users throughout the country. Moreover, if Brazilian telecommunications companies do not comply, they could face a fine of $143,000 per day. Brazil just blocked its roughly 100 Million citizens from using WhatsApp, the popular messaging service owned by Facebook, for 72 hours (3 days). A Brazilian Judge ordered the blackout after WhatsApp failed to comply with a court order asking the company to help a branch of civil police access WhatsApp data tied to a criminal investigation. This is for the second time in last five months when a Brazil court ordered local telecommunications companies to block access to the popular messaging servi
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