IntelCrawler named a 17-year-old Russian teenager, who used the online handle “ree[4]” (a.k.a. ree4) suspected of being the author of the BlackPOS — for point-of-sale — malware. The malware is also known as Kaptoxa, or “potato” in Russian. IntelCrawley named a second suspect, who it said shared the same online handle with the first suspect. Security journalist Brian Krebs, who broke the news of the Target breach in December, questioned the report’s findings.”]
Source: https://www.darkreading.com/attacks-breaches/target-neiman-marcus-malware-creators-identified