In July 2019, according to researchers from cybersecurity firm Proofpoint, “several spear phishing emails were identified targeting three US companies in the utilities sector”, aiming to infect employees with LookBack, a remote access Trojan. The experts found that the attack presented “similarities” with one that took place in July 2018, where Chinese state-affiliated group APT10 targeted Japanese entities. Forbes ‘ cybersecurity correspondent explains that this makes APT10 “the most likely culprit behind [the] cyber campaign targeting U.S. utility companies.”