Furthermore, Twitter is also down in some cities of Canada, Brazil, India, and Pakistan. It is worth mentioning that Twitter's website and app both are suffering service interruption blocking users from sending new tweets, loading old/new tweets, uploading files, and accessing media on the platform. @HackRead on Twitter There has been no word from the company yet and one can only hope that Twitter is down because of some technical glitch rather than a malicious attack such as a distributed denial-of-service attack ( DDoS attack ) in which the incoming traffic flooding the victim originates from many different sources. This effectively makes it impossible to stop the attack simply by blocking a single source. At the time of publishing this article; Twitter was down. We are keeping an eye on the situation, update you soon.