Timing attacks have been a continuous threat to users’ privacy in modern browsers. To mitigate such attacks, existing approaches, such as Tor Browser and Fermata, add jitters to the browser clock so that an attacker cannot accurately measure an event. However, such defenses only raise the bar for an attacker but do not fundamentally mitigate timing attacks, i.e., it just takes longer than previous to launch a timing attack.
Check if your browser could defend time channel attack
Check the attack performance on Firefox and Deterfox
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