This week, ESET researchers released additional installments in their series of articles about threats that affect Microsoft's Internet Information Services (IIS) web server software: IISpy is a backdoor that is deployed for long-term espionage and uses various methods to stay under the radar, whereas IISerpent is SEO fraud malware that tampers with search engine results and hijacks the reputation of the websites it compromises. Also this week, ESET experts published a new white paper that looks at how ransomware has evolved into the major cyberthreat it is today and what organizations can do to avoid falling victim. For more news, go to WeLiveSecurity.com.