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IT threat evolution Q1 2021. Non-mobile statistics

SecureList

Two other vulnerabilities, CVE-2021-1647 and CVE-2021-24092 , were found in the Microsoft Defender antivirus engine, allowing elevation of user privileges in the system and execution of potentially dangerous code. Traditionally, most of the Top 20 threats for macOS are adware programs: 15 in Q1. IoT attacks. into the system.

Mobile 96
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Types of Malware & Best Malware Protection Practices

eSecurity Planet

Jump ahead: Adware. Adware, also known as malvertising , is a type of malware that downloads or displays advertisements to the user interface. Rather than stealing data, adware is more of an irritant forcing users to see unwanted ads. Most users are familiar with adware in the form of unclosable browser pop-ups.

Malware 105
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IT threat evolution in Q2 2021. PC statistics

SecureList

Web antivirus recognized 675,832,360 unique URLs as malicious. Our file antivirus detected 68,294,298 unique malicious and potentially unwanted objects. There appeared the new Qlocker family, which packs user files into a password-protected 7zip archive, plus our old friends ech0raix and AgeLocker began to gather steam.

Adware 102
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What is Network Security? Definition, Threats & Protections

eSecurity Planet

In this simple environment network security followed a simple protocol: Authenticate the user : using a computer login (username + password) Check the user’s permissions: using Active Directory or a similar Lightweight Directory Access Protocol (LDAP) Enable communication with authorized network resources (servers, printers, etc.)