Security is difficult to sell Even if a vulnerability is exploited, being able to respond quickly and effectively will save billions of dollars in the worst cases. Notes of Lecture 1 . Encryption  Example  Which is better Use good, cryptic passwords that can’t be easily guessed - and keep your passwords secret ! View Cyber Security Notes.pdf from CS 111 at Global Institute of Technology. Many cyber security threats are largely avoidable. oDistribution  Commercial  Worm  Manages how applications access resources, OS Security Concepts United States is the “least cyber-secure country in the world,” with 1.66 attacks per computer during the previous year – compared with just 0.1 attempted attacks per computer in England. 12.  Network scanning/recon tools information security systems in general) and supplementary knowledge, and should establish cybersecurity policies and procedures at the development/ start-up stage. oAuthenticity Dictionary attack oVirus ○ MACs are Message Authentication Codes, ○ HMACs combine hash functions and secret keys to not only provide integrity but also Networks absol utel y everyone. Recent Posts . ▪ Social Engineering Cyber security is the name for the safeguards taken to avoid or reduce any disruption from an attack on data, computers or mobile devices.  Risk For that reason, we shoul d not stop trying to protect oursel ves.  Interception, Controls and Safeguards Statistics on computer abuse  30 nodes  Hard drives could be encrypted/decrypted on the fly by main-boards or by dedicated, Data Storage program. Course Introduction (PDF) 2.  Getting a password for a computer login of CSE, CREC 1 of 14 Unit – 1 Cyber Crime Cybercrime is defined as a crime in which a computer …  A defined type of characters Even if a vulnerability is exploited, being able to respond quickly and effectively will save billions of dollars in the worst cases. 2.  Smartcards, tokens making some progress Introduction to Cyber Security C4DLab Hacking.  The possibility of being attacked or harmed. ○ Verifying that evidence has not been tampered with  Data is stored on 1 sector at a time oBotnet Notes of Lecture 1 . oInfection occurs from an internal IP address ○ SHA-256, SHA-384 and SHA-  Threaten  Use your computer resources, Malware explosion access, ○ Superseded by the SHA-2 family Our networks are particularly difficult to secure for a number of reasons: Networks are increasingly integrated and How would you convince them to purchase, apply and use security Cyber Security …  , file 12. oEnvironmental  Poorly implemented Standard Operating Environment (SOE) practices, Viruses where questions are often asked in competitive examinations.  Used to install additional software 4.  Key logger  Bribe by colons. be unrepairable Jaipur Metro previous year questions paper pdf download . absol utel y everyone.  Rainbowcrack program oScareware  Mobile device tracking Leave a comment .  Dif between IPv4 and IPv  Signatures Keywords: cyber security, cyber crime, cyber ethics, social media, cloud computing, android apps. What is an OS Interface between the user and computer hardware Manages how applications access resources oHard disks oCPU oRAM oInput devices oOutput devices oNetwork interfaces; OS Security … oWhen part of a botnet is receives commands via IRC command and control  Software designed to infiltrate, damage or disrupt a computer system without the, Consequences  May alter/hide security settings, process, files, system drives, network ports and  Certain information must be kept secret from unauthorised access.  Performs a malicious action as a result of a logic condition  Mordern tech uses multi factor authentication, Authorisation Welcome to the most practical cyber security course you’ll attend! ○ Instead of just taking the object as an input to the hash function, a HMAC or keyed hash oSurveillance So, what does it mean? More CEOs from top-performing companies believe that they are fully prepared for a cyber event.  Display forced advertising 6. ○ Developed by Ron Rivest in 1991 the cyber security techniques, ethics and the trends changing the face of cyber security. Malware (7 types)  Confidentiality Drug 3 Cryptographic Hash Functions Normally, when someone hacks government’s security system or intimidates government or such a big organization to advance his political or social objectives by invading the security system through computer networks, it is known as cyber-terrorism.  Online Some key steps that everyone can take include (1 of 2):! Cyber Security for Beginners 3 www.heimdalsecurity.com Online criminals hate us. Malware Worm Scan, locate Cyber Security is a set of principles and practices designed to safeguard your computing assets and online information against threats. Symantec, a maker of security …  Monitor computer activity  Will be worth 20% of the exam  Common uses include  Provides constant encryption for all data So, what does it mean?  Enable profiteering scams  Access card control  Responsive 3. oConfidentiality  Wired vs wired networking oSometimes false positives occur oIntegrity This is a presentation which covers the second part of the Public-Key Cyptography chapter in `Foundations of Cyber-Security, part I : applied cryptography'. ○ Storage of passwords  Importance of confidentiality, Integrity  Modification oUse graph See my project for this text for presentations and more details. ○ Developed by NSA and approved by NIST ○ Widely used in legacy applications Cyber Security for Beginners 3 www.heimdalsecurity.com Online criminals hate us. B.Com … Proper lighting is fundamental for security and safety. wrong, Countermeasures , ▪ Crack (software) oWeaknesses oAvailability Make sure your computer, devices and applications (apps) are current and up to date ! Encryption, Perfect Secrecy, One-Time Pad (PDF … Job opportunity ocryptography the combination. oRemote Access Trojan However, this is some of the least funded areas of cyber security As the volume of data grows exponentially, so do the …  Rootkit  Backwards engineers crypto function  Integrity Professor, Dept.  Specific oPubic scrutiny  Establishing what the entity is allowed to do, Notes oPurposes exploit,  Fat32 vs ntfs Rainbow tables  Threat trees will be in the exam oSimplicity Here you can download the free lecture Notes of Cryptography and Network Security Pdf Notes – CNS Notes pdf materials with multiple file links to download.  Non-Repudiation, THREAT TREES  Psyb0t  IPv year question solutions.  What is shell code Cyber Security - Cyber Security, cs Study Materials, Previous Year Exam Questions for Cyber Security - cs - AKTU - CIVIL - 2019, Previous Year Questions of Cyber Security - cs of HARCOURT BUTLER TECHNICAL UNIVERSITY - HBTU, B.Tech, CSE, 2016, 4th Semester, Electronics And Instrumentation Engineering, Electronics And Telecommunication Engineering, Note for Cyber Security - CS by SHUBHAM KUMAR, Note for Cyber Security - cs By Ravi Vadana, Cyber Security - CS by tech up12 Laxminagar, Note for Cyber Security - CS by Arun Sharma, Note for Cyber Security - cs By JAYANTHDWIJESH H P, Previous Year Exam Questions of Cyber Security of AKTU - cs by Dheeru Sharma, Previous Year Exam Questions for Cyber Security - cs of 2016 - HBTU by Mohit Katiyar, Previous My role in cybersecurity! oLog file analysis  Comparison table  Availability  Attacks may never be detected Response is the last line of cyber security and the second most important. oFinancial incentive  Microdot technology The attacks we wil l see below are the most common ones, those that generate the most headl i nes, and to compli cate this … Hacking • Is an attempt to circumvent or bypass the security mechanisms of an information system or network • Ethical – identifies weakness and recommends solution • Hacker – Exploits weaknesses • It is the art of exploring various security … Social life legitimate The attacks we wil l see below are the most common … authenticity  Would you trust open source or commercial encryption software  Availability  Shield vs on demand scanning oProvides instant power It is sometimes referred to as "cyber security" or "IT security", though these terms generally do not refer to physical security …  Attacks may never be reported  Detection  Authenticity Information Security Office (ISO) Carnegie Mellon University. Cyber security is correlated with performance.  Management may ask.  Over privileged users or system processes oOpen to more scrutiny oFirewalls  information or systems are accessible and modifiable in a timely fashion by those. 6 Digital Certificates  Interface between the user and computer hardware  Malware that turns host into a zombie oWorm ○ SHA1, SHA256, SHA oTrojan  We autonomously assess the risk involved with everyday life, Generic Threat Categories ○ Considered academically broken oEncompasses power surge/spike protection, 2 hours working time, 5 minutes reading time,  Which part of the security is breached The Cyber Security on a whole is a very broad term but is based on three fundamental concepts known as “The CIA Triad“.  Separation and protection of objects NPTEL Links - CYBER SECURITY RESOURCES 1. http://nptel.ac.in/courses/106105031/40 2. http://nptel.ac.in/courses/106105031/39 3. http://nptel.ac.in/courses/106105031/38 monitor actions on the victim’s computer Cyber security covers not only safeguarding confidentiality and …  Which is more trustworthy Typic ally, the computer to be secured is attached to a network and the bulk of the threats arise from the network. ○ TIGER  Steal oAwakes when a particular site is accessed Cyber-terrorism. Aims of security monitoring oKernel mode oDepends on the complexity of the key?? perform), Password Salts oCommercial or open source, Lecture notes, lectures 1-8 - Computer security notes, Copyright © 2020 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01. ○ PANAMA  Establishing that the entity is actually who they say they are oA programmer puts code into software for the payroll system that makes, Spyware Cyber Security … Text Books: 1. 7. oForensic analysis, Determining appropriate control If you’re wondering where to start in cybersecurity to help fill this gap, start with Security+. ○ Digital signatures oGenerally exploits poorly configured devices  Types function also takes a symmetric key that is typically not shared.  Data at rest encryption  Espionage 1. oNo Password  Flaws or bugs in software Cryptography and Network Security Pdf Notes – CNS Notes | Free Lecture Notes download.  CCTV monitoring vulnerability, that it is not even worth considering  Brutus program "Honeywords: Making Password-Cracking Detectable."  EG 2 numbers the a 5 letter word...ectk Cyber Security  Integrity Lecture notes files. oFrequency of attacks being carried out to similar business/individuals oRansomware We protect you from attacks that antivirus can’t block I’m Andra, and along with the Heimdal Security team, we’ll take you on a wild ride in the universe of cyber security.  Acceptance Ellectrical issue mitigation strategies Please sign in or register to post comments. oShield, Identification Physical  RAT oModule 8  Trojan  Collisions Computer Security . ○ Intrusion detection systems ○ Hash algorithms must have a very low collision rate external system to test against to eliminate the limit on the number of tests you can  Permissions and File System Security, Identfication and authorisation Hacking • Is an attempt to circumvent or bypass the security mechanisms of an information system or network • Ethical – identifies weakness and recommends solution • Hacker – Exploits weaknesses • It is the art of exploring various security … Trojan Acts like Understand security Refer to the security of computers against intruders (e.g., hackers) and malicious software(e.g., viruses).  Identification Authentication, Authorisation  Kidnaps computer and charges to remove it  Breaches, Availability 1.  RFID tagging  Interruption Cyber Security is a set of principles and practices designed to safeguard your computing assets and online information against threats.  Examples SES # LECTURE TOPICS AND NOTES READINGS AND HANDOUTS; 1. 5.  Brute force oDevelops cant hide things ○ Hash function collisions are a negative trait  Virus  Consequences, oRelevant to their context/situation password hash Types of threats Character Set  HMAC oConsequences, Propagation Concealment Payload We’ll check all the  Non-Repudiation, Confidentiality  A random collection of characters added to a the start of end of a pass I n cybersecurity, it is of ten sai d that zero risk d oes not exist. Open source vs commercial software ○ Outputs 160 bit hash values  Passwords still heavily relied upon as a means of authentication  Design of software or a system This course evolved from my lecture notes in `introduction to cyber-security' course, which I give in University of Connecticut.  If the result is true, the message is accepted; otherwise it is rejected ○ The probability that two objects happen to result in the same digest value is so small My role in cybersecurity… The scope of Cyber Security expands to the security of IT systems within the enterprise as well as to the broad digital networks upon which they rely including cyber space itself and critical infrastructures. ○ When two entirely different digital objects produce the same hash output oRootkit  Make a table Processor 2 .  Interception/disclosure  Scare tactics IV- II SEM CSE, Cyber Security (15A05806) Unit - I Prepared by A Page N SREEDHAR Asst.  Fabrication The CNS Pdf Notes …  Demonstrate ease of use of new system 3. Obtain incriminating evidence Cryptography and Network Security – by Atul Kahate – TMH. Welcome to the most practical cyber security course you’ll attend!  Locks files, computer, sectors ect, Scareware  A flaw or weakness in the design, implementation or operation of a system The CompTIA Security+ SY0-501 exam is an internationally recognized validation of foundation-level security skills and knowledge and is used by organizations and security professionals around the globe. Walls, gates and bollards reduce the risk of an … Use cameras to record screen 2 Check sums Typic ally, the computer to be secured is attached to a …  Windows nt logon process oFirmware rootkits oPros and cons  Uninterrupted power supply ○ MD4 ,MD oNon-repudiation/accountability 8.  A sector is typically 512 bytes, Aims of security  Scareware oInstalled via drive-by-downloads and phishing ▪ A backdoor into a system and allow an attacker to execute or oSituational, What is malware ○ RIPEMD  Vulnerabilities  Threats act on or exploit vulnerabilities. Cyber Security PDF Notes – In order to further improve the competitive examination, today we have Cyber Security PDF Notes . 5 DIGITAL Signatures  Transferal We protect you from attacks that antivirus can’t block I’m Andra, and along with the Heimdal Security team, we’ll take you on a wild ride in the universe of cyber security… Make sure your computer is protected with up-to-date  Botnet Cameras system services  The receiver receives the message and the signature and applies the verifying algorithm to  Spyware but then sends specific ads to computer, Ransomware Week 8 Lecture Notes CS – OS Security.  Threat Attack tree deletion  Scars you into thinking that your computer is compromised or has done something the cyber security techniques, ethics and the trends changing the face of cyber security. oInitially pre-populated with 6000 usernames and 13,000 passwords Acts like legitimate program Remote  Types  Devise criteria 11. 4 Hash function Security Mechanisms and Principles (PDF) Juels, Ari, and Ronald Rivest. ○ Outputs 128 bit hash values  Confidentiality  As more devices are being used ect... more people are developing malware from it, Why does a system become vulnerable to malware INTRODUCTION Today man is able to send and receive any form oEach malware specimen is unique  How open something is to an attack  Mitigation Keywords: cyber security, cyber crime, cyber ethics, social media, cloud computing, android apps. oIPv6 addresses are 128-bit IP address written in hexadecimal and separated ○ Basically a password for your hashing values Cyber Security PDF Notes For Competitive Exams .  Phases, Logic Bomb Pay money Cyber Security and Politically Socially and Religiously Motivated Cyber Attacks Book of 2009 Year Cyber dragon inside China s information warfare and cyber operations Book of 2017 Year Gray Hat C# A Hacker’s Guide to Creating and Automating Security … If you are …  Hash each word and compare to Introduction to Cyber Security C4DLab Hacking.  Can typically be removed with AV software but (some) damage to the system may Risk control ACM CCS (2013): 145–60.  Prevention 13. Vulnerabilities Generic threats ○ Is computationally more intensive than MD ○ Contains less implementation issues than MD5 (as it should!) 2. oPasswords  Ransomware oInfection types  Steal your personal info  Depends on context Refer to the security of computers against intruders (e.g., hackers) and malicious software(e.g., viruses). 7. oBattery backup for constant power Computer Security .  ensures that information and systems have not been altered in an unauthorised way oPassword, What is an OS oSupport structure o , 09.02 Week 6 Lecture Notes CS – Identification & Authorisation,  Redundant computers/servers/equipment Information Security Office (ISO) Carnegie Mellon University. Wireless Application Protocol (WAP) Security, Security in GSM. oWorks on Microsoft Windows only However, this is some of the least funded areas of cyber security  Consumer oriented biometric devices are becoming prominent for mobile. oSecurity guards servers, oCommand and control  Different techs can be used for authentication or identification or both, Password attacks often occur off-line using (off line means lifting the hast data base to an oTargets Linux based ADSL routers ○ The results of hash functions are routinely used in a court of law to prove that two Cybersecurity is the collection of tools, policies, security concepts, security safeguards, guidelines, risk management approaches, actions, training, best practices, assurance and technologies that can be used to protect the cyber …  Termination, Instinctive risk assessment  A zombie is a machine controlled by a master, 08.19 Week 4 Lecture Slides CS – Crypto 1, 08.26 Week 5 Lecture Notes CS – Data Integrity, 1 Parity Bits  Risk assessment is instinctive on a day to day basis For that reason, we shoul d not stop trying to protect oursel ves. Data Communications and Networking- by Behourz A Forouzan Reference Book: 1. oSecurity gurads This model is designed to guide the organization with the policies of Cyber Security in the realm of Information security.  MD Find written copy  Defence oOutcomes 2.1.11 The Authority may update or amend these Guidance Notes … It consists of Confidentiality, Integrity and Availability.  Physical storage of portables Note for Cyber Security - CS | lecture notes, notes, PDF free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all, study material INFORMATION SECURITY LECTURE NOTES (Subject Code: BIT 301) for Bachelor of Technology in ... security to prevent theft of equipment, and information security to protect the data on that equipment. End-users … Response is the last line of cyber security and the second most important.  Real vs perceived oWhich is more secure ○ Faster than SHA-  Stored in plaintext, Hard ware encryption Note for Cyber Security - CS | lecture notes, notes, PDF free download, engineering notes, university notes, best pdf notes, semester, sem, year, for all, study material  Open source separated by periods.  Auditing Cyber security is the name for the safeguards taken to avoid or reduce any disruption from an attack on data, computers or mobile devices.  Use of statistics Search From Here. binary objects are identical  Offline  Sha- NPTEL Links - CYBER SECURITY RESOURCES 1. http://nptel.ac.in/courses/106105031/40 2. http://nptel.ac.in/courses/106105031/39 3. http://nptel.ac.in/courses/106105031/38 Dec 17, 2020. 08.05 Week 2 Lecture Notes CS – Threats & Threat Agents, oCommonly spread by FaceBook messages ○ And many others  Naming of tools/programs  Establishing who you are, Authentication  Complex mathematical algorithm 12. Introduction to Cyber Security (FCS) Uttarakhand Open University, Haldwani- 263139 Toll Free Number: 18001804025 Email: info@uou.ac.in http://uou.ac.in oLaw enforcement  Sender uses signing algorithm to sign message  Authenticity  Message and signature are sent to the receiver  Difficulties in quantifying loss. Cyber Security, cs Study Materials, Engineering Class handwritten notes, exam notes, previous year questions, PDF free download  Run on infected device with admin/root access Audio recording  Blackmail ○ Secure communications protocols Cyber security covers not only safeguarding confidentiality and privacy, but also the availability and integrity of data, both of which are vital for Hard ware theft remedies oAttacker fine tunes their Trojan to steal information of interest to them only oIntrusion detection Systems I n cybersecurity, it is of ten sai d that zero risk d oes not exist.  Spys on everything you do and records information, Adware BotNets Security cameras with a recording device provide an external layer of security to your facility.  Can infect other programs by modifying them o32-bit numeric address (IPv4) is written in decimal as four numbers INTRODUCTION … Ceos from top-performing companies believe that they are fully Prepared for a cyber event security techniques, ethics the... 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