| Similarity | Rank | |
|---|---|---|
| malware | 0.769 | 12409 |
| botnet | 0.735 | 62942 |
| botnets | 0.727 | 88730 |
| rootkit | 0.726 | 93800 |
| hackers | 0.719 | 14353 |
| Malware | 0.708 | 45540 |
| cybercriminals | 0.701 | 84265 |
| trojans | 0.673 | 71682 |
| vulnerabilities | 0.673 | 18881 |
| DoS | 0.672 | 77234 |
| Sophos | 0.670 | 87901 |
| DDoS | 0.668 | 47204 |
| hacker | 0.667 | 19972 |
| keylogger | 0.660 | 89485 |
| Kaspersky | 0.660 | 49625 |
| ransomware | 0.657 | 90640 |
| cybercrime | 0.657 | 64029 |
| malicious | 0.654 | 12572 |
| spyware | 0.654 | 19384 |
| PRISM | 0.652 | 58827 |
| phishing | 0.652 | 29271 |
| hacking | 0.649 | 14961 |
| Symantec | 0.646 | 37712 |
| WMD | 0.645 | 39567 |
| XSS | 0.644 | 84911 |