The research team at ESET, the proactive threat detection company, has released its Threat Report for Q4 2021, which summarizes key statistics from ESET’s detection systems and highlights examples from cybersecurity research, including exclusive updates and unpublished information about current threats. The latest edition of Threat Report ESET (covering September-December 2021) showed an increase of malware US androids.
Android attacks on the rise
ESET has observed an alarming increase in detections of banking malware for android, increasing 428% in 2021 compared to 2020, reaching levels of adware detection, a common annoyance on the Android platform. The annual number of email threat detections, the gateway to a variety of attacks, has doubled. This trend was mainly driven by a increase in emails from phishing.
The report also features an investigation into the Log4Shell vulnerability, a critical flaw in Log4j that emerged in mid-December. IT teams around the world had to quickly fix the flaw in their systems. “This vulnerability, which scored a 10 on the Common Vulnerability Scoring System, put countless servers at risk of taking complete control, so it was no surprise that the cybercriminals started exploring it instantly. Despite only being known in the last three weeks of the year, Log4j attacks were the fifth most common external intrusion vector in 2021 in our statistics, showing how quickly emerging critical vulnerabilities are being exploited by threat actors” explains Roman Kovac , Research Director at ESET.
Even more aggressive ransomware and NFTs
Described in ESET’s Q4 2020 Threat Report as “more aggressive than ever before”, the ransomware surpassed the worst expectations in 2021, with attacks on critical infrastructure, outrageous ransom demands and more than $5 billion in transactions linked to potential debt payments. ransomware identified only in the first half of 2021. As the bitcoin exchange rate peaked in November, ESET experts noted the influence of threats targeting cryptocurrencies, further fueled by the recent popularity of NFTs (non-fungible tokens).
Exclusive research presented in the ESET Q3 Threat Report 2021 provides unprecedented insights into the operations of the APT group. This time, the researchers provide updates on the activity of the research group. OilRig cyber espionage; the latest information about exploiting ProxyShell; and new spearphishing campaigns from cyber-espionage group Dukes.
ESET’s Q3 2021 Threat Report also reviews the most important research findings, where the ESET team found: FontOnLake, a new malware family targeting Linux; a previously undocumented real-world UEFI bootkit called ESPecter; FamousSparrow, a cyber espionage group targeting hotels, governments and private companies around the world.
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