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The IoT ecosystem, consisting of a wide array of internet-connected devices such as smart home appliances, wearables, and industrial systems, has rapidly expanded over the years. However, this expansion has come at the cost of security, leaving these devices susceptible to malicious activities.

Hackers can now use a new type of malware called Avaddon to target Microsoft Exchange email servers, as per researchers from Sophos, a cybersecurity firm. Avaddon ransomware, which was initially spotted in early 2019, has recently been updated to incorporate a module dedicated to exploiting vulnerabilities in Exchange servers. This is alarming as Microsoft itself seemingly dealt with numerous hacking campaigns targeting Exchange servers earlier this year.

Using virtual private networks (VPNs) to ensure online privacy and security has become increasingly popular. However, it has been revealed that many Android VPN apps available on the Google Play Store possess critical vulnerabilities, putting millions of users at risk. The discovery was made by a team of academics from the University of California, Riverside.