| Revisiting Botnet Models and Their Implications for Takedown Strategies Recent countries visiting this post |  |
 | 9 | United States |
 | 7 | |
 | 1 | Germany |
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| Revisiting Botnet Models and Their Implications for Takedown Strategies Recent countries visiting this post | |
| 9 | United States |
| 7 | |
| 1 | Germany |
| 1 | China |
| 1 | Italy |