119 Stackguard PPTs View free & download

Stack Protection Systems: (propolice, StackGuard, XP SP2) PowerPoint PPT Presentation

Stack Protection Systems: (propolice, StackGuard, XP SP2) - Move the canary to eliminate the frame pointer problem. Broad range of integrity check for return address, frame pointer, and local variables. ...

Move the canary to eliminate the frame pointer problem. Broad range of integrity check for return address, frame pointer, and local variables. ...

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Stack Protection Systems: (propolice, StackGuard, XP SP2) - StackGuard places a 'canary' word next to (prior) the return address on the stack. ... If the integrity of canary word is compromised, the program will terminate. ...

StackGuard places a 'canary' word next to (prior) the return address on the stack. ... If the integrity of canary word is compromised, the program will terminate. ...

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Enabling Trusted Software Integrity PowerPoint PPT Presentation

Enabling Trusted Software Integrity - setuid() Chen, Wagner, Dean, 2002. What Can Be Done? StackGuard ... Static analysis Wagner, 2000. Verify all buffers promising idea. Too many false alarms ...

setuid() Chen, Wagner, Dean, 2002. What Can Be Done? StackGuard ... Static analysis Wagner, 2000. Verify all buffers promising idea. Too many false alarms ...

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A Comparison of Buffer Overflow Prevention Implementations and Their Weaknesses PowerPoint PPT Presentation

A Comparison of Buffer Overflow Prevention Implementations and Their Weaknesses - A Comparison of Buffer Overflow Prevention Implementations and Their Weaknesses Richard Johnson | Peter Silberman Agenda Compiler-Enforced Protection StackGuard ...

A Comparison of Buffer Overflow Prevention Implementations and Their Weaknesses Richard Johnson | Peter Silberman Agenda Compiler-Enforced Protection StackGuard ...

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BUFFER OVERFLOW PowerPoint PPT Presentation

BUFFER OVERFLOW - Fill with the tailor-made code. Overflow the buffer (usually by passing as argument) ... StackGuard. Patch to make stack non-executable. Wrapper libraries ...

Fill with the tailor-made code. Overflow the buffer (usually by passing as argument) ... StackGuard. Patch to make stack non-executable. Wrapper libraries ...

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1 - buttons - is a canary which only StackGuard uses. Glossary ... It is analogous to the canaries used in coal mines to detect poisonous gas. ...

is a canary which only StackGuard uses. Glossary ... It is analogous to the canaries used in coal mines to detect poisonous gas. ...

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Arial Narrow bold 38 pt' PowerPoint PPT Presentation

Arial Narrow bold 38 pt' - Workshop Goals, DARPA IA&S & ITS Programs J. Lala. Intrusion Detection State-of-the-Art ... DICOTS and Stackguard C. Landwehr. 3. ITS WORKSHOP AGENDA (2 of 2) ...

Workshop Goals, DARPA IA&S & ITS Programs J. Lala. Intrusion Detection State-of-the-Art ... DICOTS and Stackguard C. Landwehr. 3. ITS WORKSHOP AGENDA (2 of 2) ...

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CS 510: Advanced Security Seminar PowerPoint PPT Presentation

CS 510: Advanced Security Seminar - Seminar course covering contemporary topics in networking security ... Aleph One, 'Smashing the Stack for Fun and Profit' C. Cowan, et. al. 'StackGuard: Automatic...

Seminar course covering contemporary topics in networking security ... Aleph One, 'Smashing the Stack for Fun and Profit' C. Cowan, et. al. 'StackGuard: Automatic...

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Defending against Stack Smashing attacks PowerPoint PPT Presentation

Defending against Stack Smashing attacks - Title: Secure systems Author: David Barzilai Last modified by: Karl Created Date: 10/12/2003 1:15:40 PM Document presentation format: On-screen Show

Title: Secure systems Author: David Barzilai Last modified by: Karl Created Date: 10/12/2003 1:15:40 PM Document presentation format: On-screen Show

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Control Hijacking Attacks PowerPoint PPT Presentation

Control Hijacking Attacks - Buffer overflow attacks. Integer overflow attacks. Format string vulnerabilities ... Exploiting buffer overflows. Suppose web server calls func() with given URL. ...

Buffer overflow attacks. Integer overflow attacks. Format string vulnerabilities ... Exploiting buffer overflows. Suppose web server calls func() with given URL. ...

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Control Hijacking Attacks - Control Hijacking Attacks Buffer overflows and format string bugs

Control Hijacking Attacks Buffer overflows and format string bugs

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Outline - Outline Designing and Writing Secure Code General principles for architects/managers Example: sendmail vs qmail (optional in backup s) Buffer Overflow Attacks

Outline Designing and Writing Secure Code General principles for architects/managers Example: sendmail vs qmail (optional in backup s) Buffer Overflow Attacks

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Control Hijacking Attacks - Canary = 0, newline, linefeed, EOF. String functions will not copy beyond terminator. ... Random canary. Triggers UnHandledException in case of Canary mismatch ...

Canary = 0, newline, linefeed, EOF. String functions will not copy beyond terminator. ... Random canary. Triggers UnHandledException in case of Canary mismatch ...

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A Practical Dynamic Buffer Overflow Detector (CRED) PowerPoint PPT Presentation

A Practical Dynamic Buffer Overflow Detector (CRED) - A Practical Dynamic Buffer Overflow Detector (CRED) Olatunji Ruwase Monica S. Lam Transmeta Corp. Stanford University Network and Distributed Security Symposium.

A Practical Dynamic Buffer Overflow Detector (CRED) Olatunji Ruwase Monica S. Lam Transmeta Corp. Stanford University Network and Distributed Security Symposium.

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Preventing Buffer Overflow Attacks PowerPoint PPT Presentation

Preventing Buffer Overflow Attacks - Embeds 'canaries' in stack frames and verify their integrity ... Canary = 0 (null), newline, linefeed, EOF. String functions will not copy beyond terminator. ...

Embeds 'canaries' in stack frames and verify their integrity ... Canary = 0 (null), newline, linefeed, EOF. String functions will not copy beyond terminator. ...

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Buffer overflow - Canary. Place a 'canary' word next to the return address on the stack. ... Canary. 0 (null), CR, LF, -1 (EOF) When the program reach the termination canary , ...

Canary. Place a 'canary' word next to the return address on the stack. ... Canary. 0 (null), CR, LF, -1 (EOF) When the program reach the termination canary , ...

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SCP:%20A%20System%20Call%20Protector%20against%20Buffer%20Overflow%20Attacks PowerPoint PPT Presentation

SCP:%20A%20System%20Call%20Protector%20against%20Buffer%20Overflow%20Attacks - SCP: A System Call Protector against Buffer Overflow Attacks dove

SCP: A System Call Protector against Buffer Overflow Attacks dove

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Buffer Overflows: Attack and Defense PowerPoint PPT Presentation

Buffer Overflows: Attack and Defense - Buffer overflow vulnerabilities are the most common way to gain control of a remote host Most common security vulnerability

Buffer overflow vulnerabilities are the most common way to gain control of a remote host Most common security vulnerability

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Preventing Buffer Overflow Attacks - Preventing Buffer Overflow Attacks Some unsafe C lib functions strcpy (char *dest, const char *src) strcat (char *dest, const char *src) gets (char *s) scanf ( const ...

Preventing Buffer Overflow Attacks Some unsafe C lib functions strcpy (char *dest, const char *src) strcat (char *dest, const char *src) gets (char *s) scanf ( const ...

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Exploiting Memory PowerPoint PPT Presentation

Exploiting Memory - Title: Security and Privacy Technologies Subject: Exploiting memory Author: Vitaly Shmatikov Last modified by: UTCS-SHMAT Created Date: 9/7/1997 8:51:32 PM

Title: Security and Privacy Technologies Subject: Exploiting memory Author: Vitaly Shmatikov Last modified by: UTCS-SHMAT Created Date: 9/7/1997 8:51:32 PM

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CMSC 414 Computer and Network Security Lecture 21 PowerPoint PPT Presentation

CMSC 414 Computer and Network Security Lecture 21 - CMSC 414 Computer and Network Security Lecture 21 Jonathan Katz

CMSC 414 Computer and Network Security Lecture 21 Jonathan Katz

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CS463.11 Program Security PowerPoint PPT Presentation

CS463.11 Program Security - CS463.11 Program Security UIUC CS463 Computer Security Software Security Software security perhaps most important topic in security Policies need mechanisms to ...

CS463.11 Program Security UIUC CS463 Computer Security Software Security Software security perhaps most important topic in security Policies need mechanisms to ...

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Defeating Instruction Set Randomization - Defeating Instruction Set Randomization

Defeating Instruction Set Randomization

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Buffer Overflow Attacks: Are you safe? PowerPoint PPT Presentation

Buffer Overflow Attacks: Are you safe? - Buffer is a temporary storage location for data, instructions of the CPU ... Aleph One (a.k.a. Elias Levy); Smashing the stack for fun and Profit. ...

Buffer is a temporary storage location for data, instructions of the CPU ... Aleph One (a.k.a. Elias Levy); Smashing the stack for fun and Profit. ...

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OpenBSD%20and%20Soekris PowerPoint PPT Presentation

OpenBSD%20and%20Soekris - What is Soekris and where do I get it? Different models and ... Blowfish. Cast. Hardware. Ipsec crypto dequeue. 3DES at 130 Mbps. VIA C3 AES-128 at 780 Mbyte/s ...

What is Soekris and where do I get it? Different models and ... Blowfish. Cast. Hardware. Ipsec crypto dequeue. 3DES at 130 Mbps. VIA C3 AES-128 at 780 Mbyte/s ...

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Explaining the Buffer Overflow Problem: Instructional Design and Evaluation in Information Security Education PowerPoint PPT Presentation

Explaining the Buffer Overflow Problem: Instructional Design and Evaluation in Information Security Education - Buffer Overflow Module: Motivation. Pervasive and costly 'public ... Buffer Overflow Module: Interactive Educational Package. Stand-alone Authorware Website ...

Buffer Overflow Module: Motivation. Pervasive and costly 'public ... Buffer Overflow Module: Interactive Educational Package. Stand-alone Authorware Website ...

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Static%20Detection%20of%20Buffer%20Overflow%20%20%20in%20C%20using%20LCLint PowerPoint PPT Presentation

Static%20Detection%20of%20Buffer%20Overflow%20%20%20in%20C%20using%20LCLint - buffer overflow happens if bufSize (dst) n ... The state of the buffer changes according to the inference made by the analyzer ...

buffer overflow happens if bufSize (dst) n ... The state of the buffer changes according to the inference made by the analyzer ...

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Buffer%20overflow%20attack%20and%20defense PowerPoint PPT Presentation

Buffer%20overflow%20attack%20and%20defense - Title: PowerPoint Presentation Last modified by: Stefano Bistarelli Created Date: 1/1/1601 12:00:00 AM Document presentation format: Presentazione su schermo

Title: PowerPoint Presentation Last modified by: Stefano Bistarelli Created Date: 1/1/1601 12:00:00 AM Document presentation format: Presentazione su schermo

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Report on Common Intrusion Detection Framework PowerPoint PPT Presentation

Report on Common Intrusion Detection Framework - Title: Intrusion Detection Inter-component Adaptive Negotiation (IDIAN) Author: abc Last modified by: Edward Chow Created Date: 3/3/2004 7:16:10 PM

Title: Intrusion Detection Inter-component Adaptive Negotiation (IDIAN) Author: abc Last modified by: Edward Chow Created Date: 3/3/2004 7:16:10 PM

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Exploits Against Software and Defences PowerPoint PPT Presentation

Exploits Against Software and Defences - Title: PowerPoint Presentation Author: Nicolas T. Courtois Last modified by: Nicolas Courtois Created Date: 2/10/2002 12:14:05 PM Document presentation format

Title: PowerPoint Presentation Author: Nicolas T. Courtois Last modified by: Nicolas Courtois Created Date: 2/10/2002 12:14:05 PM Document presentation format

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A Practical Dynamic Buffer Overflow Detector CRED - Cannot generate, test, or deref any other out-of ... Focus of this work: Compatibility. Simplicity. correctness. thorough compatibility tests (1.2 M loc) ...

Cannot generate, test, or deref any other out-of ... Focus of this work: Compatibility. Simplicity. correctness. thorough compatibility tests (1.2 M loc) ...

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0x1A Great Papers in Computer Security PowerPoint PPT Presentation

0x1A Great Papers in Computer Security - Title: CS 380S - Great Papers in Computer Security Subject: Buffer overflows Author: Vitaly Shmatikov Last modified by: Dynamism Created Date: 9/7/1997 8:51:32 PM

Title: CS 380S - Great Papers in Computer Security Subject: Buffer overflows Author: Vitaly Shmatikov Last modified by: Dynamism Created Date: 9/7/1997 8:51:32 PM

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Driving Home the Buffer Overflow Problem: A Training Module for Programmers and Managers PowerPoint PPT Presentation

Driving Home the Buffer Overflow Problem: A Training Module for Programmers and Managers - Science, Technology, and Glob. Grant Overview ... Buffer Overflow: When data is written outside the bounds of ... overwrite security-sensitive data in memory ...

Science, Technology, and Glob. Grant Overview ... Buffer Overflow: When data is written outside the bounds of ... overwrite security-sensitive data in memory ...

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Seguridad de Servidores PowerPoint PPT Presentation

Seguridad de Servidores - Seguridad de Servidores Primer Taller CEDIA 3 de Marzo, 2004 Presentado por Hervey Allen Network Startup Resource Center Primer Taller CEDIA 3 de Marzo, 2004

Seguridad de Servidores Primer Taller CEDIA 3 de Marzo, 2004 Presentado por Hervey Allen Network Startup Resource Center Primer Taller CEDIA 3 de Marzo, 2004

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BUFFER OVERFLOW - 'Computer vulnerability of the ... Microsoft Manhunt. November 5, 2003, Microsoft: announces $250,000 reward in a worldwide manhunt for the creator of Blaster. ...

'Computer vulnerability of the ... Microsoft Manhunt. November 5, 2003, Microsoft: announces $250,000 reward in a worldwide manhunt for the creator of Blaster. ...

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Immunix - When bugs occur, they are not exploitable. Attacker cannot exploit the bug to gain unintended ... Sudden discovery in June 2000. Vulnerability in WU-FTPD ...

When bugs occur, they are not exploitable. Attacker cannot exploit the bug to gain unintended ... Sudden discovery in June 2000. Vulnerability in WU-FTPD ...

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Minos: Control Data Attack Prevention Orthogonal to Memory Model PowerPoint PPT Presentation

Minos: Control Data Attack Prevention Orthogonal to Memory Model - Minos: Control Data Attack Prevention Orthogonal to Memory Model Jedidiah R. Crandall and Frederic T. Chong Computer Science Department University of California, Davis

Minos: Control Data Attack Prevention Orthogonal to Memory Model Jedidiah R. Crandall and Frederic T. Chong Computer Science Department University of California, Davis

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Using DISE to Protect Return Addresses from Attack PowerPoint PPT Presentation

Using DISE to Protect Return Addresses from Attack - Using DISE to Protect Return Addresses from Attack ... Programmable instruction macro-expander. Like hardware SED (DISE = dynamic instruction SED) ...

Using DISE to Protect Return Addresses from Attack ... Programmable instruction macro-expander. Like hardware SED (DISE = dynamic instruction SED) ...

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Methodical Protection against Code Injection Attacks - Methodical Protection against Code Injection Attacks

Methodical Protection against Code Injection Attacks

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Malicious Code for Fun and Profit PowerPoint PPT Presentation

Malicious Code for Fun and Profit - Malicious Code for Fun and Profit Mihai Christodorescu

Malicious Code for Fun and Profit Mihai Christodorescu

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Smashing the Stack Buffer Overflows for Fun and Profit PowerPoint PPT Presentation

Smashing the Stack Buffer Overflows for Fun and Profit - Places a 'canary' (32 bit number) on the stack between local variables and ... Before using the return address, it checks the canary with the initial value. ...

Places a 'canary' (32 bit number) on the stack between local variables and ... Before using the return address, it checks the canary with the initial value. ...

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Beyond Patch and Pray: Security by Design PowerPoint PPT Presentation

Beyond Patch and Pray: Security by Design - Analyze variables and typing because C doesn't. Can deal with ... SPLINT is a free example. Static Checkers: Compilers. Compile code, and analyze on the way ...

Analyze variables and typing because C doesn't. Can deal with ... SPLINT is a free example. Static Checkers: Compilers. Compile code, and analyze on the way ...

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CMSC 414 Computer and Network Security Lecture 25 PowerPoint PPT Presentation

CMSC 414 Computer and Network Security Lecture 25 - CMSC 414 Computer and Network ... (can then be handled out-of-band) Honeypots Decoy systems to lure ... address spoofing Stateful firewalls Typical packet ...

CMSC 414 Computer and Network ... (can then be handled out-of-band) Honeypots Decoy systems to lure ... address spoofing Stateful firewalls Typical packet ...

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Java Secrity PowerPoint PPT Presentation

Java Secrity - CS216: Program and Data Representation. University of Virginia ... canary. return address. 14. UVa CS216 Spring 2006 - Lecture 22: Unconventional Calling ...

CS216: Program and Data Representation. University of Virginia ... canary. return address. 14. UVa CS216 Spring 2006 - Lecture 22: Unconventional Calling ...

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Information Security CS 526 Lecture 12 PowerPoint PPT Presentation

Information Security CS 526 Lecture 12 - A buffer overflow, or buffer overrun, is an anomalous condition where a process ... The overwritten data may include other buffers, variables and program flow data, ...

A buffer overflow, or buffer overrun, is an anomalous condition where a process ... The overwritten data may include other buffers, variables and program flow data, ...

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Compilers and Software Security PowerPoint PPT Presentation

Compilers and Software Security - Solutions: PKI for encryption, digital signatures for non-repudiation ... 'canary' word to detect Stack-smashing. READONLY stack frame. ...

Solutions: PKI for encryption, digital signatures for non-repudiation ... 'canary' word to detect Stack-smashing. READONLY stack frame. ...

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3. Program Security PowerPoint PPT Presentation

3. Program Security - 3. Program Security. Topics covered in this ... How to keep programs free from flaws? ... Common perception that type-safe languages are slow is mostly mistaken ...

3. Program Security. Topics covered in this ... How to keep programs free from flaws? ... Common perception that type-safe languages are slow is mostly mistaken ...

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Seguridad de Servidores - Aplica los parches encontra los ataques de buffer overflow. 1. Resumen cont. Aplicar los parches a los servicios que corres y al kernel. ...

Aplica los parches encontra los ataques de buffer overflow. 1. Resumen cont. Aplicar los parches a los servicios que corres y al kernel. ...

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CIL: Infrastructure for C Program Analysis and Transformation - CIL: Infrastructure for C Program Analysis and Transformation

CIL: Infrastructure for C Program Analysis and Transformation

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Protecting against Buffer Overflow Attacks PowerPoint PPT Presentation

Protecting against Buffer Overflow Attacks - collection of items stored in contiguous memory locations ... canary. 11. Background. Attack mechanism. Protection mechanisms. Summary ...

collection of items stored in contiguous memory locations ... canary. 11. Background. Attack mechanism. Protection mechanisms. Summary ...

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Address Space Layout Permutation PowerPoint PPT Presentation

Address Space Layout Permutation - Low entropy: heap 13 bit, mmap 16 bit, stack 24 bit ... of stack, heap, and mmap()-ed regions. Mitigates attacks on the stack , heap, and shared library ...

Low entropy: heap 13 bit, mmap 16 bit, stack 24 bit ... of stack, heap, and mmap()-ed regions. Mitigates attacks on the stack , heap, and shared library ...

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Report on Common Intrusion Detection Framework - (Target (HostName `somehost.someplace.net') ) (AttackSpecifics (Certainty `100') (Severity `100' ... Generate more audit data and crash the central IDS? Solution ...

(Target (HostName `somehost.someplace.net') ) (AttackSpecifics (Certainty `100') (Severity `100' ... Generate more audit data and crash the central IDS? Solution ...

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Region-Based Memory Management in Cyclone PowerPoint PPT Presentation

Region-Based Memory Management in Cyclone - Region-Based Memory Management in Cyclone Dan Grossman Cornell University June 2002 Joint work with: Greg Morrisett, Trevor Jim (AT&T), Michael Hicks, James Cheney ...

Region-Based Memory Management in Cyclone Dan Grossman Cornell University June 2002 Joint work with: Greg Morrisett, Trevor Jim (AT&T), Michael Hicks, James Cheney ...

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Hacking Code PowerPoint PPT Presentation

Hacking Code - Member of L0pht and CULT OF THE DEAD COW. Testified before a Senate committee in 1998 ... Famous Buffer Overflows ... People: Changing the Culture. Process: ...

Member of L0pht and CULT OF THE DEAD COW. Testified before a Senate committee in 1998 ... Famous Buffer Overflows ... People: Changing the Culture. Process: ...

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Efficient Instruction Set Randomization Using Software Dynamic Translation PowerPoint PPT Presentation

Efficient Instruction Set Randomization Using Software Dynamic Translation - Efficient Instruction Set Randomization Using Software Dynamic Translation Michael Crane Wei Hu Outline Introduction Code injection, ISR Problem Inefficiency of ISR ...

Efficient Instruction Set Randomization Using Software Dynamic Translation Michael Crane Wei Hu Outline Introduction Code injection, ISR Problem Inefficiency of ISR ...

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Secure Web Site Design PowerPoint PPT Presentation

Secure Web Site Design - New code written for every web site. Written in: C, PHP, Perl, Python, ... MySpace.com ensures HTML contains no script , body , onclick, a href=javascript: ...

New code written for every web site. Written in: C, PHP, Perl, Python, ... MySpace.com ensures HTML contains no script , body , onclick, a href=javascript: ...

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Stackguard PowerPoint PPT Presentations