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2019 Spam Mail Virus Mail Malicious Mail Feb 2020 released.2019 1 0.00% 10.00% 20.00% 30.00% 40.00% 50.00% 60.00% 70.00% 80.00% 90.00% 100.00% Jan F e b Mar A p r May J un Jul A u g S e p O c t No v Dec Spam Trend 2018 2019 0.00% 0.05% 0.10% 0.15% 0.20% 0.25% 0.30% Jan F e b Mar A p r May J un Jul A u g S e p O c t No v Dec Virus Ratio 2018 20192019 SMTP DoS 0.00% 5.00% 10.00% 15.00% 20.00% 25.00% Jan F e b Mar A p r May J un Jul A u g S e p O c t No v Dec SMTP DoS Attack 2018 2019 Word Excel PDF PowerPoint 28.65% 5.86% 2.69% 0.82% 24.90% 3.33% 3.12% 1.40% ZIP RAR 14.03% 4.99% 9.98% 9.51% 2018 2019 22019 APT 2018 2019 2018 2019 32019 42019 52019 ASRC 62019 2020 Asia Spam-message Research Center. All Rights Reserved.
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