IT-security firm Sophos advises Twitter users to be extra wary of direct messages reading “lol, is this you,” “Lol. this is me??,” “lol , this is funny,” or anything similar, as they are part of a phishing attack, Mashable reported.
Phishers are using compromised accounts to send spam messages about Viagra via the microblogging service, according to Mashable.
Sophos provided further details in this video: