Repair 2011" award in the field of home user products from AV-TEST Institute. On January 28, 2013, the Kaspersky Endpoint Security has earned "AV-TEST Award for Best Protection 2012" and "AV-TEST Award for Best Repair 2012" awards in the field of corporate products from AV-TEST Institute. Later in 2013, Kaspersky earned the product of the year award from AV-Comparatives and the highest score among Enterprise solutions in a Dennis Technology Labs report. Kaspersky has also received certification of its products through the OESIS OK Certification Program, which verifies that the applications are interoperable with third-party technology solutions like NAC and SSL VPN products from Cisco Systems, Juniper Networks, F5 Networks, and others. In 2022 March Kaspersky received a cyber immunity registration trademark in the United States. The registration gives Kaspersky the exclusive right to use Kaspersky Cyber Immunity to identify it's products. It also confirms that the trademark has distinctive features checked against specific criteria by national government agencies. Malware discovery Kaspersky Lab's Global Research and Analysis Team (GReAT) was established in 2008. It investigates cybersecurity threats and other work by malware operations. IT security companies are often evaluated by their ability to uncover previously unknown viruses and vulnerabilities. Kaspersky's reputation for investigating cyber-security threats has been influential in gaining sales and prestige. Beginning around 2010, Kaspersky exposed a series of government-sponsored cyber-espionage and sabotage efforts. These include Stuxnet, Duqu, Flame, Gauss, Regin and the Equation Group. According to Wired, "many of them [were] seemingly launched by the US and its UK and Israeli allies. Kaspersky is especially well-known for its work uncovering Stuxnet, Careto, and Flame." Stuxnet In 2010, Kaspersky Lab worked with Microsoft to counter-act the Stuxnet worm, which had infected 14 industrial locations in Iran using four zero-day vulnerabilities in Microsoft Windows. According to IEEE Spectrum, the circumstances "strongly suggest" the worm was developed by the United States and Israel to damage centrifuges in Iran's nuclear-enrichment program. It was the first discovery of a major government-sponsored cyber-attack. Flame In May 2012, Kaspersky Lab identified the malware Flame, which a researcher described as potentially "the most sophisticated cyber weapon yet unleashed". According to the researchers in Kaspersky Lab, the malware had infected an estimated 1,000 to 5,000 machines worldwide when asked by the United Nations International Telecommunication Union to investigate reports of a virus affecting Iranian Oil Ministry computers. As Kaspersky Lab investigated, they discovered an MD5 hash