Roku has suffered a cyberattack, with thousands of accounts breached by criminals. Over 15,000 accounts have been accessed by scammers — enabling them to place orders with the credit card numbers stored with Roku. Fraudulent charges were racked up on streaming subscriptions as well as new hardware, Bleeping Computer reports. According to Roku, a total of 15,363 accounts have been compromised in this latest credential stuffing attack. The latter refers to a scam when cybercriminals collect credentials exposed in recent data breaches and then use these leaked email address and password combos to…