Query based attacks - PowerPoint PPT Presentation


Types Cyber Attacks: Cyber Security Training Workshop

Join our Cyber Security Training Workshop to learn about different types of cyber attacks such as social engineering attacks, DDoS attacks, malware attacks, MitM attacks, APTs, and password attacks. Enhance your knowledge and skills in cyber security.

15 views • 45 slides


Adversarial Machine Learning

Evasion attacks on black-box machine learning models, including query-based attacks, transfer-based attacks, and zero queries attacks. Explore various attack methods and their effectiveness against different defenses.

21 views • 60 slides



Enhancing Query Optimization in Production: A Microsoft Journey

Explore Microsoft's innovative approach to query optimization in production environments, addressing challenges with general-purpose optimization and introducing specialized cloud-based optimizers. Learn about the implementation details, experiments conducted, and the solution proposed. Discover how

2 views • 27 slides


Understanding Malicious Attacks, Threats, and Vulnerabilities in IT Security

Malicious attacks, threats, and vulnerabilities in IT systems pose significant risks and damages. This chapter explores the types of attacks, tools used, security breaches, and measures to protect against cyber threats. Learn how security professionals safeguard organizations from malicious attacks

0 views • 24 slides


Principles of Cyber Security

Threat actors prioritize targeting networks to exploit vulnerabilities, leading to various attacks such as interception, DNS attacks, and MITM attacks. MITM attacks involve eavesdropping on communications or impersonating parties, with techniques like session replay to steal credentials. Implementin

0 views • 7 slides


Efficient Budget Query Process in Self-Service Banner 9.0

Accessing and navigating the Self-Service Banner 9.0 for budget queries can be simplified by following a step-by-step guide. From initiating a new finance query to selecting relevant columns and submitting the query, this process ensures accuracy and efficiency in tracking budget status by account.

0 views • 19 slides


Query Optimization in Database Management Systems

This content covers the fundamentals of query optimization in Database Management Systems (DBMS), including steps involved, required information for evaluating queries, cost-based query sub-system, and the role of various components like query parser, optimizer, plan generator, and cost estimator. I

0 views • 51 slides


Understanding Active Learning in Machine Learning

Active Learning (AL) is a subset of machine learning where a learning algorithm interacts with a user to label data for desired outputs. It aims to minimize the labeling bottleneck by achieving high accuracy with minimal labeled instances, thus reducing the cost of obtaining labeled data. Techniques

0 views • 17 slides


Performance of Nearest Neighbor Queries in R-trees

Spatial data management research focuses on designing robust spatial data structures, inventing new models, constructing query languages, and optimizing query processing. This study explores the estimation of query performance and selectivity, specifically in R-trees, for efficient access planning.

1 views • 32 slides


Managing Covid-19 Cyber and Data Protection Risks

Exploring the risks and challenges related to cyber attacks and data protection amidst the Covid-19 pandemic. The agenda covers an overview of cyber-attacks, recent developments, protections against cyber attacks, data protection concerns during lockdown, compliance steps, and employee rights issues

1 views • 35 slides


Mitigation of DMA-based Rowhammer Attacks on ARM

Practical strategies are presented in "GuardION: Practical Mitigation of DMA-based Rowhammer Attacks on ARM" to defend against Rowhammer attacks on ARM architecture. The paper discusses Rowhammer defenses, RAMPAGE attacks on Android OS, and introduces GuardION as a lightweight mitigation approach. I

0 views • 48 slides


Cybersecurity Challenges: Attacks on Web Applications and Cost of Security Breaches

In the realm of cybersecurity, attacks on web applications pose a significant threat with 78% of attacks targeting applications. The consequences of these attacks are immense, with projected costs reaching $6 trillion annually by 2021. Notable breaches in recent years highlight the urgency for robus

8 views • 23 slides


Shifting Bloom Filters at Peking University, China

Explore the innovative research on Shifting Bloom Filters conducted at Peking University, China, featuring evaluations, conclusions, background information, and insights on membership, association, and multiplicity queries. The study delves into hash functions, theoretical results, and the Shifting

1 views • 25 slides


Identifying Completeness of Query Answers in Incomplete Databases

The study delves into how to assess the completeness of query answers when dealing with partially complete databases. By analyzing data from a telecommunication company’s data warehouse, the query results are examined to determine if all warnings generated by maintenance objects with hardware team

0 views • 23 slides


Understanding Denial-of-Service Attacks and Defense Strategies

Denial-of-Service attacks pose a serious threat where attackers flood networks with traffic, leading to system crashes and slowdowns. Explore the impact, expected results, and various categories of DoS attacks such as bandwidth attacks, protocol exceptions, and logic attacks. Learn how to defend aga

0 views • 61 slides


Understanding Network Denial of Service (DoS) Attacks

Network Denial of Service (DoS) attacks aim to disrupt services by overwhelming them with traffic. These attacks can occur at various layers of the network stack and exploit weaknesses to achieve their goal. Amplification attacks, such as the Smurf attack and DNS Amplification attack, can significan

2 views • 52 slides


Preventing Active Timing Attacks in Low-Latency Anonymous Communication

This research addresses the vulnerabilities of onion routing to timing attacks and proposes solutions to prevent active timing attacks, focusing on low-latency anonymous communication systems. Various problems related to timing attacks in onion routing are analyzed, including the role of adversaries

0 views • 52 slides


Quantum Query Complexity Measures for Symmetric Functions

Explore the relationships between query complexity measures, including quantum query complexity, adversary bounds, and spectral sensitivity, in the context of symmetric functions. Analysis includes sensitivity graphs, the quantum query model, and approximate counting methods. Results cover spectral

0 views • 19 slides


Understanding Control Hijacking Attacks in Software Systems

Control hijacking attacks, such as buffer overflows and format string vulnerabilities, allow attackers to take over a target machine by manipulating application control flow. Knowledge of C functions, system calls, CPU, and OS used is crucial for executing these attacks successfully. This summary pr

1 views • 55 slides


Understanding Relational Query Languages in Database Applications

In this lecture, Mohammad Hammoud discusses the importance of relational query languages (QLs) in manipulating and retrieving data in databases. He covers the strong formal foundation of QLs, their distinction from programming languages, and their effectiveness for accessing large datasets. The sess

0 views • 39 slides


Introduction to Priority Search Trees in Computational Geometry

This lecture outlines the structure and query process of Priority Search Trees (PST) in computational geometry. It covers heap-based point queries, range trees for windowing queries, handling query ranges in 1D and 2D spaces, and using heaps to efficiently handle query ranges. The content discusses

1 views • 18 slides


Strategies to Protect School Systems from Cyber Attacks

Schools are increasingly becoming targets of cyber attacks, making cybersecurity measures crucial. The article discusses the importance of responding to cyber attacks, creating incident response plans, and being vigilant against interception attacks. It outlines the steps to detect, document, and mi

0 views • 21 slides


Optimizing Join Enumeration in Transformation-based Query Optimizers

Query optimization plays a crucial role in improving database performance. This paper discusses techniques for optimizing join enumeration in transformation-based query optimizers, focusing on avoiding cross-products in join orders. It explores efficient algorithms for generating cross-product-free

0 views • 18 slides


Enhancing Query-Focused Summarization with Contrastive Learning

The study explores incorporating contrastive learning into abstractive summarization systems to improve discernment between salient and non-salient content in summaries, aiming for higher relevance to the query. By designing a contrastive learning framework and utilizing segment scores, the system c

0 views • 16 slides


Practical Tools for Corpus Search Using Regular Expressions and Query Languages

These notes explore practical tools for corpus search including regular expressions and the corpus query language (CQL/CQP). They provide an introduction to using corpora effectively for pattern identification, with examples and explanations. The guide includes information on levels of annotation an

0 views • 47 slides


Overview of BlinkDB: Query Optimization for Very Large Data

BlinkDB is a framework built on Apache Hive, designed to support interactive SQL-like aggregate queries over massive datasets. It creates and maintains samples from data for fast, approximate query answers, supporting various aggregate functions with error bounds. The architecture includes modules f

0 views • 26 slides


Study on Completeness of Queries over Incomplete Databases

Investigation into query completeness over incomplete databases, highlighting the importance of data completeness for accurate query answering. Examples and reasoning provided to illustrate the challenges and considerations in ensuring query completeness.

0 views • 31 slides


Automated Signature Extraction for High Volume Attacks in Cybersecurity

This research delves into automated signature extraction for high-volume attacks in cybersecurity, specifically focusing on defending against Distributed Denial of Service (DDoS) attacks. The study discusses the challenges posed by sophisticated attackers using botnets and zero-day attacks, emphasiz

0 views • 37 slides


Targeted Deanonymization via the Cache Side Channel: Attacks and Defenses

This presentation by Abdusamatov Somon explores targeted deanonymization through cache side-channel attacks, focusing on leaky resource attacks and cache-based side-channel attacks. It discusses the motivation behind these attacks, methods employed, potential defenses, and the evaluation of such att

0 views • 16 slides


Understanding Network Security Vulnerabilities and Attacks

Explore the world of network security vulnerabilities and attacks, including Denial-of-Service (DoS) and Distributed-Denial-of-Service (D-DoS), security flaws in the TCP/IP protocol suite, ICMP attacks, routing attacks, and TCP attacks. Learn about common security vulnerabilities such as address spo

0 views • 36 slides


Scalable Query System for Complex Game Environments Evaluation

Designing a scalable query system for evaluating complex game environments involves key elements like defining required features, structuring query elements, and understanding function models for optimal performance. The system must be customizable, support debugging, and allow runtime parameter adj

0 views • 41 slides


Understanding Jena SPARQL for Mac and RDF Queries

Jena SPARQL for Mac is a powerful tool for querying RDF graphs using SPARQL. Learn about RDF graphs, models, triples, and how SPARQL queries work. Explore ARQ, a query engine that supports the SPARQL RDF Query language and features multiple query languages. Discover how to install ARQ and execute SP

0 views • 25 slides


Understanding Network Interference in CS590B/690B Lecture

Delve into the realm of network interference through the CS590B/690B lecture with Phillipa Gill at UMass Amherst. Explore topics such as Internet routing, timing attacks, BGP hijacks, Tor network functionality, relay selection, collusion scenarios, use of guards, web site fingerprinting attacks, tra

0 views • 11 slides


Understanding BlinkDB: A Framework for Fast and Approximate Query Processing

BlinkDB is a framework built on Hive and Spark that creates and maintains offline samples for fast, approximate query processing. It provides error bars for queries executed on the same data and ensures correctness. The paper introduces innovations like sample creation techniques, error latency prof

0 views • 8 slides


Unsupervised Relation Detection Using Knowledge Graphs and Query Click Logs

This study presents an approach for unsupervised relation detection by aligning query patterns extracted from knowledge graphs and query click logs. The process involves automatic alignment of query patterns to determine relations in a knowledge graph, aiding in tasks like spoken language understand

0 views • 29 slides


Machine Learning for Cybersecurity Challenges: Addressing Adversarial Attacks and Interpretable Models

In the realm of cybersecurity, the perpetual battle between security analysts and adversaries intensifies with the increasing complexity of cyber attacks. Machine learning (ML) is increasingly utilized to combat these challenges, but vulnerable to adversarial attacks. Investigating defenses against

0 views • 41 slides


Communication Steps for Parallel Query Processing: Insights from MPC Model

Revealing the intricacies of parallel query processing on big data, this content explores various computation models such as MapReduce, MUD, and MRC. It delves into the MPC model in detail, showcasing the tradeoffs between space exponent and computation rounds. The study uncovers lower bounds on spa

0 views • 25 slides


Dichotomy on Complexity of Consistent Query Answering

The research paper presents a dichotomy on the complexity of consistent query answering for atoms with simple keys. It discusses repairs for uncertain instances in a schema with key constraints, as well as the concept of consistent query answering. The document addresses the problem statement of cer

0 views • 26 slides


Understanding DDoS Attacks: Simulation, Analysis & Defense

Delve into the world of Distributed Denial of Service (DDoS) attacks with this comprehensive study covering the architecture, advantages, bot installation phases, attack methods, defenses, and simulation. Learn about the detrimental impact of DDoS attacks on servers, their multi-tiered structure, an

0 views • 20 slides


Overview of DoS and DDoS Attacks in Cybersecurity

This content provides an in-depth overview of Denial of Service (DoS) and Distributed Denial of Service (DDoS) attacks in cybersecurity. It covers the types of attacks, including volumetric, reflected, and stealthy, along with detailed explanations and examples. Additionally, it discusses how DoS at

0 views • 8 slides