Malicious actors are waging “increasingly sophisticated” attacks on smartphone and app users, according to a new report from U.S. mobile security firm Zimperium. According to its Global Mobile Threat Report 2022, around 30 percent of “zero-day” vulnerabilities—a known weakness in a system that has yet to be patched—were found in mobile devices over the course of 2021. Zimperium also found a 466 percent increase in active attacks on such weaknesses, while also finding that 75 percent of phishing websites targeted mobile devices. In terms of malware, the group detected 2,034,217 samples of malicious software last year and found that 10 million devices across 214 countries were affected. Some malware programs were also re-emerging in more advanced forms. For example, the spyware program Pegasus, which was detected in 2016, surfaced again in 2021 targeting zero-day vulnerabilities in iOS devices. It affected 50,000 individuals including journalists, activists, and politicians. Additionally, the Joker trojan …