Avast：2021年上半年全球个人电脑风险报告（英文版）（38页）.pdf

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1、Avast Global PC Risk ReportH1 2021 Snapshot2A Introduction .3 Simple Threats .4 Advanced Threats .4 Methodology .4B Global Risk Ratio .5 Global Risk Ratio: Home Users .6-7 Global Risk Ratio: Business Users .8-10C The State of Cybersecurity .11-13D Conclusion .14-17E Appendix .18 Global Data for Glob

2、al Home User Risk Ratio: All Threats .19-20 Data for Global Home User Risk Ratio: Advanced threats .21-22 Data for Global Business User Risk Ratio: All Threats .23 Data for Global Business User Risk Ratio: Advanced Threats .24Table of Contents Germany .25 Austria .26 Switzerland .26 France .27 Spain

3、 .27 Slovakia .28 Czech Republic .28 Latin America .29 Argentina .29 Brazil .30 Mexico .31 Oceania .32 Australia .32 Asia .33 Japan .33 India .33 Russia.34 North America .36 United States .36 Canada .37 Europe .25 United Kingdom .25Avast Global PC Risk Report 2021 3 ContentsIntroductionAAvast Global

4、 PC Risk Report 2021 It has been more than a year since Covid-19 started spreading and, in that time, the virus has defined the entire world, both online and offline. Avast observed cybercriminals using the pandemic to their advantage, spreading scams and phishing attacks to exploit peoples natural

5、thirst for information during unprecedented times. During this time, ransomware attacks continued to thrive, especially targeting medical institutions and critical infrastructure. Certain types of mobile threats, including stalkerware and adware, flourished due to people being forced into lockdown a

6、nd likely spending more time on their smartphones and tablets. It seems like cybercriminals specifically targeted the most vulnerable groups of our society, some of whom were forced to use online tools and services for the first time. Cybercriminals began to promote mobile adware more heavily to you