Security Analysis on Practices of Certificate Authorities in the HTTPS Phishing Ecosystem
Security Analysis on Practices of Certificate Authorities in the HTTPS Phishing Ecosystem
复制标题
HTTPS钓鱼生态系统中证书颁发机构的做法安全分析
DOI:
10.1145/3433210.3453100
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发表时间:
2021
期刊:
影响因子:
--
通讯作者:
Dumitras, Tudor
中科院分区:
文献类型:
--
作者:
Kim, Doowon;Cho, Haehyun;Kwon, Yonghwi;Doupé, Adam;Son, Sooel;Ahn, Gail-Joon;Dumitras, Tudor
Phishing attacks are causing substantial damage albeit extensive effort in academia and industry. Recently, a large volume of phishing attacks transit toward adopting HTTPS, leveraging TLS certificates issued from Certificate Authorities (CAs), to make the attacks more effective. In this paper, we present a comprehensive study on the security practices of CAs in the HTTPS phishing ecosystem. We focus on the CAs, critical actors under-studied in previous literature, to better understand the importance of the security practices of CAs and thwart the proliferating HTTPS phishing. In particular, we first present the current landscape and effectiveness of HTTPS phishing attacks comparing to traditional HTTP ones. Then, we conduct an empirical experiment on the CAs' security practices in terms of the issuance and revocation of the certificates. Our findings highlight serious conflicts between the expected security practices of CAs and reality, raising significant security concerns. We further validate our findings using a longitudinal dataset of abusive certificates used for real phishing attacks in the wild. We confirm that the security concerns of CAs prevail in the wild and these concerns can be one of the main contributors to the recent surge of HTTPS phishing attacks.
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DOI:
--
发表时间:
2017
期刊:
Symposium On Usable Privacy and Security
影响因子:
--
作者:
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通讯作者:
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发表时间:
2018-10
期刊:
Proceedings of the Internet Measurement Conference 2018
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2019-03
期刊:
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影响因子:
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发表时间:
2019
期刊:
CSET @ USENIX Security Symposium
影响因子:
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作者:
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通讯作者:
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DOI:
10.1145/1299015.1299016
发表时间:
2007-10
期刊:
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影响因子:
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T. Moore;R. Clayton
通讯作者:
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