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JavaScript Restricting Web Extension
Timko, Martin ; Matoušek, Petr (referee) ; Polčák, Libor (advisor)
The purpose of this thesis is to functionally expand the browser extension prototype created by Ing. Zbyněk Červinka, focused on the privacy protection of the user during his web browsing. Acquired facts about the function of existing tools for safety and privacy protection, such as technology JavaScript Zero, were used in the solution, which was created by employing a technique of encapsulating JavaScript objects and functions. This allows greater anonymity and safety for users during web browsing. The extension was tested and published under the title JavaScript Restrictor. The main benefit of this thesis is the increase of safety from attacks and increase of anonymity linked to the user data harvesting.
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Transparency and Consent Framework Data Listing and Editing
Postulka, Aleš ; Malinka, Kamil (referee) ; Polčák, Libor (advisor)
This thesis deals with the development of multilingual for web browsers Mozilla Firefox and Google Chrome. The purpose of the extension is to enable the automated management of provided consents to the processing of personal data on websites using the Transparency and Consent Framework. Extension was developed on the basis of knowledge about this framework and about legal norms GDPR and ePrivacy Directive, which deal with the protection of personal data. Knowledge of the method of developing extensions for web browsers using WebExtensions was also used during the implementation. During testing, consent was successfully enforced in 96,2 % of tested websites in Mozilla Firefox. In Google Chrome, success has been achieved in 82,1 % of tested websites. The banner requiring consent was not displayed in 33 % of websites in Mozilla Firefox and in 31,1 % of websites in Google Chrome.
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Prevention of Passive Browser Fingerprinting
Hruška, Jozef ; Hranický, Radek (referee) ; Polčák, Libor (advisor)
Vzhľadom na rastúci význam nástrojov na ochranu pred sledovaním sa táto diplomová práca zameriava na návrh a implementáciu rozšírenia prehliadača na ochranu používateľov pred rizikami pasívneho fingerprintingu. Rozšírenie sa snaží chrániť súkromie používateľa pozmeňovaním vybraných HTTP hlavičiek požiadaviek. Okrem toho rozšírenie upravuje súvisiace webové API, aby zabezpečilo konzistentnosť medzi upravenými HTTP hlavičkami a prostredím prehliadača, čím ďalej zvyšuje účinnosť opatrení na ochranu súkromia. Navyše, keďže rozšírenie je vyvinuté pomocou najnovšej platformy Manifest V3, ukazuje možnosti tvorby rozšírení zameraných na ochranu súkromia aj na platforme s prísnejšími usmerneniami a obmedzeniami.
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Transparency and Consent Framework Data Listing and Editing
Postulka, Aleš ; Malinka, Kamil (referee) ; Polčák, Libor (advisor)
This thesis deals with the development of multilingual for web browsers Mozilla Firefox and Google Chrome. The purpose of the extension is to enable the automated management of provided consents to the processing of personal data on websites using the Transparency and Consent Framework. Extension was developed on the basis of knowledge about this framework and about legal norms GDPR and ePrivacy Directive, which deal with the protection of personal data. Knowledge of the method of developing extensions for web browsers using WebExtensions was also used during the implementation. During testing, consent was successfully enforced in 96,2 % of tested websites in Mozilla Firefox. In Google Chrome, success has been achieved in 82,1 % of tested websites. The banner requiring consent was not displayed in 33 % of websites in Mozilla Firefox and in 31,1 % of websites in Google Chrome.
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JavaScript Restricting Web Extension
Timko, Martin ; Matoušek, Petr (referee) ; Polčák, Libor (advisor)
The purpose of this thesis is to functionally expand the browser extension prototype created by Ing. Zbyněk Červinka, focused on the privacy protection of the user during his web browsing. Acquired facts about the function of existing tools for safety and privacy protection, such as technology JavaScript Zero, were used in the solution, which was created by employing a technique of encapsulating JavaScript objects and functions. This allows greater anonymity and safety for users during web browsing. The extension was tested and published under the title JavaScript Restrictor. The main benefit of this thesis is the increase of safety from attacks and increase of anonymity linked to the user data harvesting.
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