Analysis of update delays in signature-based network intrusion detection systems
نویسندگان
چکیده
منابع مشابه
Analysis of update delays in signature-based network intrusion detection systems
Network Intrusion Detection Systems (NIDS) play a fundamental role on security policy deployment and help organizations in protecting their assets from network attacks. Signature-based NIDS rely on a set of known patterns to match malicious traffic. Accordingly, they are unable to detect a specific attack until a specific signature for the corresponding vulnerability is created, tested, release...
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Network Intrusion Detection Systems (NIDS) have a very important role in network security. Many NIDS evasion techniques as well as solutions were proposed in the literature. Supporting stateful signatures is a very critical function in a signature-based NIDS because many multi-stage attacks can only be detected by tracking multiple rules (signatures) matching. In order to detect these attacks, ...
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اندیشمندان و صاحب نظران علوم اجتماعی بر این باورند که مرحله تازه ای در تاریخ جوامع بشری اغاز شده است. ویژگیهای این جامعه نو را می توان پدیده هایی از جمله اقتصاد اطلاعاتی جهانی ، هندسه متغیر شبکه ای، فرهنگ مجاز واقعی ، توسعه حیرت انگیز فناوری های دیجیتال، خدمات پیوسته و نیز فشردگی زمان و مکان برشمرد. از سوی دیگر قدرت به عنوان موضوع اصلی علم سیاست جایگاه مهمی در روابط انسانی دارد، قدرت و بازتولید...
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In this work we propose the intensive use of embedded memory blocks and logic blocks of the FPGA device for signature matching. In our approach we arrange signatures in memory arrays (MA) of embedded memory blocks, so that every signature is matched in one clock cycle. The matching logic is shared among all the signatures in one MA. In addition, we propose a character recodification method that...
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Intrusion detection is one of the main challenges in wireless systems especially in Internet of things (IOT) based networks. There are various attack types such as probe, denial of service, remote to local and user to root. In addition to known attacks and malicious behaviors, there are various unknown attacks that some of them have similar behavior with respect to each other or mimic the norma...
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ژورنال
عنوان ژورنال: Computers & Security
سال: 2011
ISSN: 0167-4048
DOI: 10.1016/j.cose.2011.08.010