Over 269,000 Websites Infected with JSFireTruck JavaScript Malware in One Month

Cybersecurity researchers are calling attention to a “large-scale campaign” that has been observed compromising legitimate websites with malicious JavaScript injections. According to Palo Alto Networks Unit 42, these malicious injects are obfuscated using JSFuck, which refers to an “esoteric and educational programming style” that uses only a limited set of characters to write and execute code.