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firefox.exe trying to reach yandex.ru

Windows Defender is blocking Yandex.Ru, which is not even been tried to be access from. It showed in the Event Viewer that firefox.exe tried to reach Yandex.ru. Why is Fi… (xem thêm)

Windows Defender is blocking Yandex.Ru, which is not even been tried to be access from. It showed in the Event Viewer that firefox.exe tried to reach Yandex.ru. Why is Firefox trying to reach there? There are no extensions apart from Firefox Multi-Account Containers installed.

Please advice.

Open 1 200

Win11 and Firefox browser being redirected by "convertitmas" or "convertmaster". (147.0.3)

Have tried different solutions like Malware product and cleaning cashe and cookies. When I search a known safe site I get redirect by Convertitmas stating the (known saf… (xem thêm)

Have tried different solutions like Malware product and cleaning cashe and cookies. When I search a known safe site I get redirect by Convertitmas stating the (known safe) site is unsafe. Best regards Henrik Nygaard

Open 1 187

Device Bound Session Credentials Google has made Device Bound Session Credentials (DBSC) generally available to all Windows users of its Chrome web browser, Is Firefox working on a solution, as Firefox is also affected by STORM.x

Device Bound Session Credentials Google has made Device Bound Session Credentials (DBSC) generally available to all Windows users of its Chrome web browser. What is FIREF… (xem thêm)

Device Bound Session Credentials

Google has made Device Bound Session Credentials (DBSC) generally available to all Windows users of its Chrome web browser.

What is FIREFOX doing to defend us from session cookie stealing malware (STORM)?

Open 1 160

How can I install a CA (Certificate Authority) Certificate for one profile only?

The title. I want to be able to browse while trusting a specific CA certificate, but have the option to browse without it as well. If there is no way to do it, is there a… (xem thêm)

The title. I want to be able to browse while trusting a specific CA certificate, but have the option to browse without it as well. If there is no way to do it, is there a way to toggle whether Firefox trusts a CA without needing to reinstall it every time?

Open 1 148

Banking Transactions

New to Mozilla! Just "your opinion." on average, and I know this can be a relevant question, how should I approach banking transactions on this Browser? is it among the s… (xem thêm)

New to Mozilla! Just "your opinion." on average, and I know this can be a relevant question, how should I approach banking transactions on this Browser? is it among the saver ones.

Open 1 147

The browser disables recording Nvidia ShadowPlay.

When the browser is open - whether with tabs or not - it disables NVIDIA ShadowPlay. The NVIDIA overlay says “a protected app is preventing desktop capture,” and I’d agre… (xem thêm)

When the browser is open - whether with tabs or not - it disables NVIDIA ShadowPlay. The NVIDIA overlay says “a protected app is preventing desktop capture,” and I’d agree with that if it only happened when tabs with DRM content were open, but it happens even in an empty browser.

Open 1 140

If Mozilla does not actively monitor the Malwarebytes Browser Guard add on, is my security at risk?

I just purchase Malwarebytes Standard plan to help strengthen the security of my laptop which runs on Windows 11 .After installing the standard plan, Malwarebytes recomme… (xem thêm)

I just purchase Malwarebytes Standard plan to help strengthen the security of my laptop which runs on Windows 11 .After installing the standard plan, Malwarebytes recommended I install, for free, an add-on called Browser Guard for Firefox. However, Mozilla sent a cautionary statement: 'This add-on is not actively monitored for security by Mozilla. Make sure you trust it before installing.

Is the Malwarebytes Browser Guard for Firefox safe?

Open 1 120

Firefox Security?

I assume Mozilla developers are working on this? https://singularityhub.com/2026/04/10/anthropics-mythos-ai-uncovered-serious-security-holes-in-every-major-os-and-browser… (xem thêm)

I assume Mozilla developers are working on this?

https://singularityhub.com/2026/04/10/anthropics-mythos-ai-uncovered-serious-security-holes-in-every-major-os-and-browser/

Quote from the article

"Its capabilities are a step change from the previous best models. Given the challenge of attacking the Firefox web browser’s JavaScript engine, Anthropic’s previous most powerful model Opus 4.6 succeeded just twice, compared to 181 times for Mythos. Most worryingly, the team found that engineers with no security background could use it to develop successful attacks overnight."

Open 3 119