111 Portscans PPTs View free & download

Portscans - cecil.cs.wisc.edu (128.105.175.17): open. bobby.cs.wisc.edu (128.105. ... XMAS scan. FIN scan. Windows avoids this scan because its stack is broken (surprise) ...

cecil.cs.wisc.edu (128.105.175.17): open. bobby.cs.wisc.edu (128.105. ... XMAS scan. FIN scan. Windows avoids this scan because its stack is broken (surprise) ...

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An Introduction To Gateway Intrusion Detection Systems PowerPoint PPT Presentation

An Introduction To Gateway Intrusion Detection Systems - Nitro Data Systems. What Is a Gateway IDS? Gateway Intrusion Detection System ... Jed Haile, Nitro Data Systems 2002. Basic Theory of Operation ...

Nitro Data Systems. What Is a Gateway IDS? Gateway Intrusion Detection System ... Jed Haile, Nitro Data Systems 2002. Basic Theory of Operation ...

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An Introduction To Gateway Intrusion Detection Systems - An Introduction To Gateway Intrusion Detection Systems Hogwash GIDS Jed Haile Nitro Data Systems What Is a Gateway IDS? Gateway Intrusion Detection System A network ...

An Introduction To Gateway Intrusion Detection Systems Hogwash GIDS Jed Haile Nitro Data Systems What Is a Gateway IDS? Gateway Intrusion Detection System A network ...

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Einf - Einf hrung in das Netzwerk-Management Windows 2000 Tools zur Kontrolle eines Rechners EDV-Management Das OSI-Management-Modell De-facto-Standard SNMP

Einf hrung in das Netzwerk-Management Windows 2000 Tools zur Kontrolle eines Rechners EDV-Management Das OSI-Management-Modell De-facto-Standard SNMP

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IT-Sicherheit in der Praxis PowerPoint PPT Presentation

IT-Sicherheit in der Praxis - IT-Sicherheit in der Praxis Ein Fachvortrag von Ansgar H. Licher Dipl.-Ingenieur der Systemanalyse IT-Leiter der MBN Bau AG Curriculum Wichtige Fachbegriffe Welche ...

IT-Sicherheit in der Praxis Ein Fachvortrag von Ansgar H. Licher Dipl.-Ingenieur der Systemanalyse IT-Leiter der MBN Bau AG Curriculum Wichtige Fachbegriffe Welche ...

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Network Intrusion Detection with Snort PowerPoint PPT Presentation

Network Intrusion Detection with Snort - Fragmented packets are reassembled before being sent to detection engine ... False Positives - must custom tune rules engine for environment; update consistently ...

Fragmented packets are reassembled before being sent to detection engine ... False Positives - must custom tune rules engine for environment; update consistently ...

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Distributed Intrusion Detection PowerPoint PPT Presentation

Distributed Intrusion Detection - Distributed Intrusion Detection Mamata Desai (99305903) M.Tech.,CSE dept, IIT Bombay Overview What is intrusion ? Dealing with intrusion Intrusion detection ...

Distributed Intrusion Detection Mamata Desai (99305903) M.Tech.,CSE dept, IIT Bombay Overview What is intrusion ? Dealing with intrusion Intrusion detection ...

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Network Management Tools Presentations PowerPoint PPT Presentation

Network Management Tools Presentations - Title: PowerPoint Presentation Last modified by. Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show Other titles: Times New Roman Arial ...

Title: PowerPoint Presentation Last modified by. Created Date: 1/1/1601 12:00:00 AM Document presentation format: On-screen Show Other titles: Times New Roman Arial ...

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Very Fast containment of Scanning Worms PowerPoint PPT Presentation

Very Fast containment of Scanning Worms - ... suppression algorithm derived from Threshold Random Walk (TRW) scan detection. ... Scan detection algorithm easier than TRW. ...

... suppression algorithm derived from Threshold Random Walk (TRW) scan detection. ... Scan detection algorithm easier than TRW. ...

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Firewall Tips PowerPoint PPT Presentation

Firewall Tips - Firewall Tips & Tricks. Paul Asadoorian. Network Security Engineer. Brown University ... Improper configuration is the largest threat. Tips & Tricks Outline ...

Firewall Tips & Tricks. Paul Asadoorian. Network Security Engineer. Brown University ... Improper configuration is the largest threat. Tips & Tricks Outline ...

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Very Fast containment of Scanning Worms - Once a host is infected, clean it up immediately (Antivirus Software, Patches) ... If worm scans slower than sustained scanning threshold, the detector will ...

Once a host is infected, clean it up immediately (Antivirus Software, Patches) ... If worm scans slower than sustained scanning threshold, the detector will ...

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Fast Port Scan Detection Using Sequential Hypotheses Testing PowerPoint PPT Presentation

Fast Port Scan Detection Using Sequential Hypotheses Testing - 2. Compute the likelihood ratio accumulated over a day ... 3. Raise a flag if this statistic exceeds some threshold. A sequential (on-line) solution ...

2. Compute the likelihood ratio accumulated over a day ... 3. Raise a flag if this statistic exceeds some threshold. A sequential (on-line) solution ...

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Snort - Lightweight Intrusion Detection for Networks PowerPoint PPT Presentation

Snort - Lightweight Intrusion Detection for Networks - Fast (High probability of detection for a given attack on 'average' networks) ... Guardian 1.2.0, by Anthony Stevens and Ernie Lim. http://home.golden.net/~elim ...

Fast (High probability of detection for a given attack on 'average' networks) ... Guardian 1.2.0, by Anthony Stevens and Ernie Lim. http://home.golden.net/~elim ...

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Intrusion Detection PowerPoint PPT Presentation

Intrusion Detection - Intrusion Detection Advances, Problems, and all the politics that lie between Laurence Berland CS 395 Prof Yan Chen Why do we need protection? Cyberattacks still on ...

Intrusion Detection Advances, Problems, and all the politics that lie between Laurence Berland CS 395 Prof Yan Chen Why do we need protection? Cyberattacks still on ...

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Data Mining for Network Intrusion Detection PowerPoint PPT Presentation

Data Mining for Network Intrusion Detection - Title: Data Mining in Cyber Threat Analysis Author: Aleksandar Lazarevic Last modified by: aleks Created Date: 1/18/1999 10:14:32 PM Document presentation format

Title: Data Mining in Cyber Threat Analysis Author: Aleksandar Lazarevic Last modified by: aleks Created Date: 1/18/1999 10:14:32 PM Document presentation format

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Intro to Networking for the Insufficiently Paranoid PowerPoint PPT Presentation

Intro to Networking for the Insufficiently Paranoid - Title: Slide 1 Author: wisastudent Last modified by: giffin Created Date: 3/22/2004 2:24:55 PM Document presentation format: On-screen Show Company

Title: Slide 1 Author: wisastudent Last modified by: giffin Created Date: 3/22/2004 2:24:55 PM Document presentation format: On-screen Show Company

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Hacking ? - ... 7.912 ms p5-1.xlsanca26-att.bbnplanet.net [AS1] GTE Internetworking 10 12.122.11.221 9.914 ms tbr2-p012402.la2ca.ip.att.net (DNS error) [AS7018] ...

... 7.912 ms p5-1.xlsanca26-att.bbnplanet.net [AS1] GTE Internetworking 10 12.122.11.221 9.914 ms tbr2-p012402.la2ca.ip.att.net (DNS error) [AS7018] ...

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Web Attacks - Lecture on Web Attacks Attacking Web Applications Walter Kriha

Lecture on Web Attacks Attacking Web Applications Walter Kriha

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Using Argus Audit Trails to Enhance IDS Analysis PowerPoint PPT Presentation

Using Argus Audit Trails to Enhance IDS Analysis - ... port scanning, auto rooter, P2P activity, worm activity, and more ... High packet rates might indicate worm activity, portscanning, or other nastiness ...

... port scanning, auto rooter, P2P activity, worm activity, and more ... High packet rates might indicate worm activity, portscanning, or other nastiness ...

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Intrusion Prevention Web Seminar PowerPoint PPT Presentation

Intrusion Prevention Web Seminar - 'Sven Jaschan, 19, was found guilty of computer sabotage and illegally ... music and other files with Peer to Peer (P2P) programs like KaZaa and Limewire? ...

'Sven Jaschan, 19, was found guilty of computer sabotage and illegally ... music and other files with Peer to Peer (P2P) programs like KaZaa and Limewire? ...

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Very Fast containment of Scanning Worms - Computer Worms: malicious, self propagating programs ... Scan for liveliness of the port. Obtaining multiple network addresses. Malicious False positives ...

Computer Worms: malicious, self propagating programs ... Scan for liveliness of the port. Obtaining multiple network addresses. Malicious False positives ...

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Intrusion Detection - Threat of cyber-terrorism, more coordinated. Even sensitive installations not well-secured, regular breakins ... The Bandwagon Effect. Look to others for guidance ' ...

Threat of cyber-terrorism, more coordinated. Even sensitive installations not well-secured, regular breakins ... The Bandwagon Effect. Look to others for guidance ' ...

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Network Intrusion Detection PowerPoint PPT Presentation

Network Intrusion Detection - The art and science of sensing when a system or network is being used ... Var RULE_PATH ./rules. Configure preprocessors. Portscan Detection. IP defragmentation ...

The art and science of sensing when a system or network is being used ... Var RULE_PATH ./rules. Configure preprocessors. Portscan Detection. IP defragmentation ...

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Very Fast Containment of Scanning Worms - Presented by: Yi Xian, Chuan Qin. 2. Outline. Worm containment. Scan suppression ... Pre-generated Hit list of vulnerable machines, which is determined before worm ...

Presented by: Yi Xian, Chuan Qin. 2. Outline. Worm containment. Scan suppression ... Pre-generated Hit list of vulnerable machines, which is determined before worm ...

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Overview of security threats Fundamentals of network security Part I PowerPoint PPT Presentation

Overview of security threats Fundamentals of network security Part I - ... crash of server program or even execution of arbitrary code ... Malicious code. a wide range of benign and malicious viruses and worms, including MS Word macro ...

... crash of server program or even execution of arbitrary code ... Malicious code. a wide range of benign and malicious viruses and worms, including MS Word macro ...

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Using Argus Audit Trails to Enhance IDS Analysis - Using Argus Audit Trails to Enhance IDS Analysis Jed Haile Nitro Data Systems jhaile@nitrodata.com Overview What is an audit trail? What is Argus? Overview of IP ...

Using Argus Audit Trails to Enhance IDS Analysis Jed Haile Nitro Data Systems jhaile@nitrodata.com Overview What is an audit trail? What is Argus? Overview of IP ...

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ForNet: A Distributed Forensic Network PowerPoint PPT Presentation

ForNet: A Distributed Forensic Network - Prolonged storage, processing, and sharing of raw data infeasible ... Primary function is to create synopses of network traffic. ...

Prolonged storage, processing, and sharing of raw data infeasible ... Primary function is to create synopses of network traffic. ...

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Intro to Networking for the Insufficiently Paranoid - Examples: Bittorrent, FTP, Firefox, The SIMS online, Quake, AIM, Sendmail, . . . Application ... Attack #2: Distributed DoS. Rather than filling connection ...

Examples: Bittorrent, FTP, Firefox, The SIMS online, Quake, AIM, Sendmail, . . . Application ... Attack #2: Distributed DoS. Rather than filling connection ...

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Harnessing the Power of Snort PowerPoint PPT Presentation

Harnessing the Power of Snort - Basic detection is fun and easy with Snort rules. To detect a basic string on the network (network grep) you just need the content ...

Basic detection is fun and easy with Snort rules. To detect a basic string on the network (network grep) you just need the content ...

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Monitorizacin de Redes PowerPoint PPT Presentation

Monitorizacin de Redes - Mensajes por correo electr nico: conteniendo el nivel de prioridad y el nombre e ... silenciosamente los paquetes en lugar de enviar un mensaje de rechazo, lo cual ...

Mensajes por correo electr nico: conteniendo el nivel de prioridad y el nombre e ... silenciosamente los paquetes en lugar de enviar un mensaje de rechazo, lo cual ...

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Web Attacks - SELECT userid FROM logins WHERE name= wayne AND password = pirate OR 1=1. input fields from form ... of pseude random number generators visible using a phase ...

SELECT userid FROM logins WHERE name= wayne AND password = pirate OR 1=1. input fields from form ... of pseude random number generators visible using a phase ...

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Tracing - Tracing & Traceability S. Felix Wu UC Davis http://www.cs.ucdavis.edu/~wu wu@cs.ucdavis.edu

Tracing & Traceability S. Felix Wu UC Davis http://www.cs.ucdavis.edu/~wu wu@cs.ucdavis.edu

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Incident Response: The First 10 Minutes PowerPoint PPT Presentation

Incident Response: The First 10 Minutes - Title: PowerPoint Presentation Last modified by: mattbing Created Date: 1/11/2002 3:55:56 PM Document presentation format: On-screen Show Company

Title: PowerPoint Presentation Last modified by: mattbing Created Date: 1/11/2002 3:55:56 PM Document presentation format: On-screen Show Company

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Chapter 14 Network Security PowerPoint PPT Presentation

Chapter 14 Network Security - Chapter 14 Network Security 14.1 - Developing a Network Security Policy 14.2 - Threats to Network Security 14.3 - Implementing Security Measures

Chapter 14 Network Security 14.1 - Developing a Network Security Policy 14.2 - Threats to Network Security 14.3 - Implementing Security Measures

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Man in the middle attacks PowerPoint PPT Presentation

Man in the middle attacks - Alberto Ornaghi Marco Valleri Man in the middle attacks What they are How to achieve them How to use them

Alberto Ornaghi Marco Valleri Man in the middle attacks What they are How to achieve them How to use them

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La sicurezza nelle transazioni PowerPoint PPT Presentation

La sicurezza nelle transazioni - La sicurezza nelle transazioni Marco Riani Autenticazione = capacit di garantire al destinatario del messaggio la certezza dell'autenticit dell'identit ...

La sicurezza nelle transazioni Marco Riani Autenticazione = capacit di garantire al destinatario del messaggio la certezza dell'autenticit dell'identit ...

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RaQ????????? PowerPoint PPT Presentation

RaQ????????? - Title: @Server Author: Last modified by: Created Date: 6/5/2002 7:50:25 PM Document presentation format:

Title: @Server Author: Last modified by: Created Date: 6/5/2002 7:50:25 PM Document presentation format:

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AN INSIDE LOOK AT BOTNETS PowerPoint PPT Presentation

AN INSIDE LOOK AT BOTNETS - ... No diffusion accountability Includes scanning capability and launching flooding attacks Efficient GTBOT(global threat)(Aristotles) Based on functions of mIRC ...

... No diffusion accountability Includes scanning capability and launching flooding attacks Efficient GTBOT(global threat)(Aristotles) Based on functions of mIRC ...

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Correlaci - Title: Proyecto Ejemplo Comit de Direcci n Author: msaenz Last modified by: Pedro And jar Created Date: 7/8/2002 12:53:20 PM Document presentation format

Title: Proyecto Ejemplo Comit de Direcci n Author: msaenz Last modified by: Pedro And jar Created Date: 7/8/2002 12:53:20 PM Document presentation format

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Today - Today s Modern Network Killing Robot Viki Navratilova viki@uchicago.edu Network Security Officer The University of Chicago

Today s Modern Network Killing Robot Viki Navratilova viki@uchicago.edu Network Security Officer The University of Chicago

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ECE4112 Lab 7: Honeypots and Network Monitoring and Forensics PowerPoint PPT Presentation

ECE4112 Lab 7: Honeypots and Network Monitoring and Forensics - ECE4112 Lab 7: Honeypots and Network Monitoring and Forensics Group 13 + Group 14 Allen Brewer Jiayue (Simon) Chen Daniel Chu Chinmay Patel

ECE4112 Lab 7: Honeypots and Network Monitoring and Forensics Group 13 + Group 14 Allen Brewer Jiayue (Simon) Chen Daniel Chu Chinmay Patel

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Chap 1 Introduction to Intrusion Detection PowerPoint PPT Presentation

Chap 1 Introduction to Intrusion Detection - Title: Chap 1 Introduction to Intrusion Detection Author: Last modified by: salut Created Date: 7/18/2001 3:22:37 AM Document presentation format

Title: Chap 1 Introduction to Intrusion Detection Author: Last modified by: salut Created Date: 7/18/2001 3:22:37 AM Document presentation format

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HoneyNets, Intrusion Detection Systems, and Network Forensics - HoneyNets, Intrusion Detection Systems, and Network Forensics

HoneyNets, Intrusion Detection Systems, and Network Forensics

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Fast Portscan Detection Using Sequential Hypothesis Testing PowerPoint PPT Presentation

Fast Portscan Detection Using Sequential Hypothesis Testing - Fast Portscan Detection Using Sequential Hypothesis Testing Authors: Jaeyeon Jung, Vern Paxson, Arthur W. Berger, and Hari Balakrishnan Publication: IEEE Symposium on ...

Fast Portscan Detection Using Sequential Hypothesis Testing Authors: Jaeyeon Jung, Vern Paxson, Arthur W. Berger, and Hari Balakrishnan Publication: IEEE Symposium on ...

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Scanning - Ping is traditionally used to send ICMP ECHO (Type 8) packets to a ... TCP Xmas Tree scan (FIN, URG, and PUSH) TCP Null scan. TCP ACK scan. UDP scan. TCP Header ...

Ping is traditionally used to send ICMP ECHO (Type 8) packets to a ... TCP Xmas Tree scan (FIN, URG, and PUSH) TCP Null scan. TCP ACK scan. UDP scan. TCP Header ...

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Design and Implementation of Security Gateway System for Intrusion Detection on High-speed Links PowerPoint PPT Presentation

Design and Implementation of Security Gateway System for Intrusion Detection on High-speed Links - Design and Implementation of Security Gateway System for Intrusion Detection on High-speed Links Byoung-Koo Kim, Ik-Kyun Kim, Jong-kook Lee, Ki-Young Kim and Jong-Soo ...

Design and Implementation of Security Gateway System for Intrusion Detection on High-speed Links Byoung-Koo Kim, Ik-Kyun Kim, Jong-kook Lee, Ki-Young Kim and Jong-Soo ...

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Automatic Generation and Analysis of Attack Graphs PowerPoint PPT Presentation

Automatic Generation and Analysis of Attack Graphs - connectivity: P N N. models firewalls, packet filter rules, physical links ... connectivity remote id='ferrari' W3SVC/ /remote remote id='smilla' ...

connectivity: P N N. models firewalls, packet filter rules, physical links ... connectivity remote id='ferrari' W3SVC/ /remote remote id='smilla' ...

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Honeycomb Automated IDS Signature Generation using Honeypots PowerPoint PPT Presentation

Honeycomb Automated IDS Signature Generation using Honeypots - We'd like to characterize suspicious traffic. IDS signatures are a ... fake FTP, Telnet, SMTP, HTTP services, all Perl/Shell scripts. Other ports: traffic sinks ...

We'd like to characterize suspicious traffic. IDS signatures are a ... fake FTP, Telnet, SMTP, HTTP services, all Perl/Shell scripts. Other ports: traffic sinks ...

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IP alap - Title: Fejlett Programoz si Technik k 2. Author: Vanda Last modified by: bilickiv Created Date: 2/1/2002 7:50:30 PM Document presentation format

Title: Fejlett Programoz si Technik k 2. Author: Vanda Last modified by: bilickiv Created Date: 2/1/2002 7:50:30 PM Document presentation format

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The%20Evolution%20of%20Libnet PowerPoint PPT Presentation

The%20Evolution%20of%20Libnet - Firewalk, Libipg, Libnet, Libsf, Libradiate, various ... Mid-level interface, packets built at the IP layer and above. No link header needs to be built ...

Firewalk, Libipg, Libnet, Libsf, Libradiate, various ... Mid-level interface, packets built at the IP layer and above. No link header needs to be built ...

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Sequential analysis: balancing the tradeoff between detection accuracy and detection delay PowerPoint PPT Presentation

Sequential analysis: balancing the tradeoff between detection accuracy and detection delay - worm propagates its effect. Sequential analysis is well-suited ... Arrow, K., Blackwell, D., Girshik, Ann. Math. Stat., 1949. ...

worm propagates its effect. Sequential analysis is well-suited ... Arrow, K., Blackwell, D., Girshik, Ann. Math. Stat., 1949. ...

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IDS:%20Intrusion%20Detection%20System PowerPoint PPT Presentation

IDS:%20Intrusion%20Detection%20System - IDS: Intrusion Detection System C. Edward Chow

IDS: Intrusion Detection System C. Edward Chow

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IC3 - Network Security PowerPoint PPT Presentation

IC3 - Network Security - An Introduction to Intrusion Detection and Vulnerability Assessment RHUL, 8-Dec-2003 Andreas Fuchsberger & Robert Christian, F.A.C.T.S. Group Agenda Basics ...

An Introduction to Intrusion Detection and Vulnerability Assessment RHUL, 8-Dec-2003 Andreas Fuchsberger & Robert Christian, F.A.C.T.S. Group Agenda Basics ...

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Cracking%20Techniques PowerPoint PPT Presentation

Cracking%20Techniques - Title: Cracking Techniques Author: Onno W. Purbo Last modified by: Onno W. Purbo Created Date: 11/22/2000 10:44:21 PM Document presentation format

Title: Cracking Techniques Author: Onno W. Purbo Last modified by: Onno W. Purbo Created Date: 11/22/2000 10:44:21 PM Document presentation format

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An Introduction to Intrusion Detection/Prevention, Vulnerability Assessment and related Technologies PowerPoint PPT Presentation

An Introduction to Intrusion Detection/Prevention, Vulnerability Assessment and related Technologies - Essentially a combination of access control (firewall/router) and intrusion detection ... Worms, e.g. Blaster and MyDoom, that match a signature can be blocked. ...

Essentially a combination of access control (firewall/router) and intrusion detection ... Worms, e.g. Blaster and MyDoom, that match a signature can be blocked. ...

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Introduction%20to%20Internet%20Worm PowerPoint PPT Presentation

Introduction%20to%20Internet%20Worm - 'Monitoring and Early Warning for Internet Worms' ... 'Advanced Polymorphic Worms: Evading IDS by Blending in with Normal Traffic' 'Polygraph: Automatic ...

'Monitoring and Early Warning for Internet Worms' ... 'Advanced Polymorphic Worms: Evading IDS by Blending in with Normal Traffic' 'Polygraph: Automatic ...

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Portscans PowerPoint PPT Presentations