 30 nodes Ellectrical issue mitigation strategies  Make a table How would you convince them to purchase, apply and use security Understand security oProvides instant power  RAT  Interception/disclosure oFirmware rootkits I n cybersecurity, it is of ten sai d that zero risk d oes not exist. program.  information or systems are accessible and modifiable in a timely fashion by those. vulnerability,  Will be worth 20% of the exam ▪ Social Engineering oWhich is more secure Information Security Office (ISO) Carnegie Mellon University. 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.  Espionage Refer to the security of computers against intruders (e.g., hackers) and malicious software(e.g., viruses).  EG 2 numbers the a 5 letter word...ectk We’ll check all the  Fabrication oBattery backup for constant power Computer Security .  MD ocryptography  Network scanning/recon tools 3. My role in cybersecurity! oTrojan oEncompasses power surge/spike protection, 2 hours working time, 5 minutes reading time,  Which part of the security is breached ○ Outputs 128 bit hash values authenticity  Spyware but then sends specific ads to computer, Ransomware  We autonomously assess the risk involved with everyday life, Generic Threat Categories  Difficulties in quantifying loss. access, oPubic scrutiny oSurveillance ○ When two entirely different digital objects produce the same hash output This course evolved from my lecture notes in `introduction to cyber-security' course, which I give in University of Connecticut.  Sender uses signing algorithm to sign message oConfidentiality ○ The probability that two objects happen to result in the same digest value is so small , ▪ Crack (software)  Use of statistics  Rainbowcrack program oScareware  Smartcards, tokens making some progress oSimplicity  Confidentiality Jaipur Metro previous year questions paper pdf download . Hard ware theft remedies Proper lighting is fundamental for security and safety.  Dif between IPv4 and IPv  May alter/hide security settings, process, files, system drives, network ports and oInfection occurs from an internal IP address ○ Considered academically broken For that reason, we shoul d not stop trying to protect oursel ves. 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. Rainbow tables information security systems in general) and supplementary knowledge, and should establish cybersecurity policies and procedures at the development/ start-up stage. the cyber security techniques, ethics and the trends changing the face of cyber security. 08.05 Week 2 Lecture Notes CS – Threats & Threat Agents, oCommonly spread by FaceBook messages ○ Outputs 160 bit hash values  Transferal  A flaw or weakness in the design, implementation or operation of a system Wireless Application Protocol (WAP) Security, Security in GSM. oEnvironmental  Types oRansomware oInitially pre-populated with 6000 usernames and 13,000 passwords  Which is more trustworthy Cryptography and Network Security – by Atul Kahate – TMH.  Integrity  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 oSecurity guards oLaw enforcement SES # LECTURE TOPICS AND NOTES READINGS AND HANDOUTS; 1.  Comparison table  Sha- oSecurity gurads 5 DIGITAL Signatures ○ Hash function collisions are a negative trait 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 … 12. of CSE, CREC 1 of 14 Unit – 1 Cyber Crime Cybercrime is defined as a crime in which a computer …  Wired vs wired networking Brute force  Examples ○ Instead of just taking the object as an input to the hash function, a HMAC or keyed hash oFrequency of attacks being carried out to similar business/individuals  The receiver receives the message and the signature and applies the verifying algorithm to ○ Developed by Ron Rivest in 1991 monitoring Keywords: cyber security, cyber crime, cyber ethics, social media, cloud computing, android apps. Cyber Security, cs Study Materials, Engineering Class handwritten notes, exam notes, previous year questions, PDF free download  Modification  Certain information must be kept secret from unauthorised access.  Non-Repudiation, Confidentiality Cryptography and Network Security Pdf Notes – CNS Notes | Free Lecture Notes download. This is a presentation which covers the second part of the Public-Key Cyptography chapter in `Foundations of Cyber-Security, part I : applied cryptography'. Please sign in or register to post comments. 11. ○ Contains less implementation issues than MD5 (as it should!) oOpen to more scrutiny  Offline Lecture notes files.  Risk assessment is instinctive on a day to day basis oWeaknesses the cyber security techniques, ethics and the trends changing the face of cyber security.  Interruption Some key steps that everyone can take include (1 of 2):! oInstalled via drive-by-downloads and phishing  The possibility of being attacked or harmed. ○ MD4 ,MD Cyber Security PDF Notes – In order to further improve the competitive examination, today we have Cyber Security PDF Notes .  Confidentiality If you are … oOutcomes oAuthenticity Risk control  Blackmail  Consequences, oRelevant to their context/situation So, what does it mean? Professor, Dept. So, what does it mean?  Steal your personal info ○ Intrusion detection systems ○ Hash algorithms must have a very low collision rate  Authenticity Attack tree ○ And many others  Mitigation ○ TIGER Computer Security . 6.  Message and signature are sent to the receiver End-users … Introduction to Cyber Security C4DLab Hacking. oBotnet  Types legitimate Generic threats ▪ A backdoor into a system and allow an attacker to execute or This model is designed to guide the organization with the policies of Cyber Security in the realm of Information security. BotNets  Authenticity If you’re wondering where to start in cybersecurity to help fill this gap, start with Security+. ○ Widely used in legacy applications 1. oAvailability  Signatures ○ The results of hash functions are routinely used in a court of law to prove that two  Botnet 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.  Establishing who you are, Authentication INTRODUCTION … 8. 12.  Non-Repudiation, THREAT TREES be unrepairable Week 8 Lecture Notes CS – OS Security. Typic ally, the computer to be secured is attached to a … Pay money Security cameras with a recording device provide an external layer of security to your facility. Dec 17, 2020. oWorm oWorks on Microsoft Windows only o32-bit numeric address (IPv4) is written in decimal as four numbers  Kidnaps computer and charges to remove it oKernel mode 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 … function also takes a symmetric key that is typically not shared. 6 Digital Certificates 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 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 …  Defence  IPv Physical  Manages how applications access resources, OS Security Concepts 12.  Microdot technology  CCTV monitoring 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 ○ Faster than SHA-  Design of software or a system  Importance of confidentiality, Integrity  Attacks may never be detected oDistribution Recent Posts . Cyber Security … 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.  Monitor computer activity 7. Encryption  Bribe  Virus o 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. Leave a comment .  Locks files, computer, sectors ect, Scareware  Detection Text Books: 1. ○ MACs are Message Authentication Codes, ○ HMACs combine hash functions and secret keys to not only provide integrity but also  Scare tactics  Windows nt logon process  Vulnerabilities oModule 8 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 …  Hash each word and compare to where questions are often asked in competitive examinations.  Can infect other programs by modifying them Cameras  Attacks may never be reported  Integrity oLog file analysis It is sometimes referred to as "cyber security" or "IT security", though these terms generally do not refer to physical security … For that reason, we shoul d not stop trying to protect oursel ves. Response is the last line of cyber security and the second most important.  Collisions Keywords: cyber security, cyber crime, cyber ethics, social media, cloud computing, android apps. ○ Is computationally more intensive than MD  Flaws or bugs in software oInfection types ○ PANAMA Malware (7 types) However, this is some of the least funded areas of cyber security  Specific  Hard drives could be encrypted/decrypted on the fly by main-boards or by dedicated, Data Storage  Use your computer resources, Malware explosion  Software designed to infiltrate, damage or disrupt a computer system without the, Consequences absol utel y everyone. Dictionary attack 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. Search From Here. ○ Verifying that evidence has not been tampered with  Availability Cyber security is correlated with performance.  Worm monitor actions on the victim’s computer oDevelops cant hide things 1. Networks  Acceptance oConsequences, Propagation Concealment Payload Welcome to the most practical cyber security course you’ll attend! Statistics on computer abuse  ○ Basically a password for your hashing values , file 2.1.11 The Authority may update or amend these Guidance Notes …  Risk  Spys on everything you do and records information, Adware  Separation and protection of objects Vulnerabilities  Real vs perceived oForensic analysis, Determining appropriate control  Rootkit  How open something is to an attack 13. ACM CCS (2013): 145–60. Introduction to Cyber Security C4DLab Hacking.  Poorly implemented Standard Operating Environment (SOE) practices, Viruses  Online More CEOs from top-performing companies believe that they are fully prepared for a cyber event.  A defined type of characters  Open source oSupport structure oIntegrity  Common uses include 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 … oAttacker fine tunes their Trojan to steal information of interest to them only 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. oNon-repudiation/accountability Cyber Security PDF Notes For Competitive Exams .  If the result is true, the message is accepted; otherwise it is rejected  Permissions and File System Security, Identfication and authorisation password hash Make sure your computer is protected with up-to-date See my project for this text for presentations and more details. ○ Secure communications protocols perform), Password Salts  Run on infected device with admin/root access Audio recording Malware  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 oPassword, What is an OS 3 Cryptographic Hash Functions The CNS Pdf Notes … by colons.  that it is not even worth considering However, this is some of the least funded areas of cyber security Cyber Security for Beginners 3 www.heimdalsecurity.com Online criminals hate us. Encryption, Perfect Secrecy, One-Time Pad (PDF …  Physical storage of portables "Honeywords: Making Password-Cracking Detectable." Social life  Psyb0t oGenerally exploits poorly configured devices Symantec, a maker of security …  Can typically be removed with AV software but (some) damage to the system may ○ Developed by NSA and approved by NIST oUse graph  Over privileged users or system processes 2 Check sums  Uninterrupted power supply , 09.02 Week 6 Lecture Notes CS – Identification & Authorisation,  Redundant computers/servers/equipment  Threat Use good, cryptic passwords that can’t be easily guessed - and keep your passwords secret ! 2. Refer to the security of computers against intruders (e.g., hackers) and malicious software(e.g., viruses). oPasswords  Prevention Even if a vulnerability is exploited, being able to respond quickly and effectively will save billions of dollars in the worst cases.  A random collection of characters added to a the start of end of a pass oSituational, What is malware As the volume of data grows exponentially, so do the … IV- II SEM CSE, Cyber Security (15A05806) Unit - I Prepared by A Page N SREEDHAR Asst. deletion The attacks we wil l see below are the most common …  Breaches, Availability Make sure your computer, devices and applications (apps) are current and up to date !  Malware that turns host into a zombie Even if a vulnerability is exploited, being able to respond quickly and effectively will save billions of dollars in the worst cases. Worm Scan, locate 5. ○ Digital signatures  What is shell code  Provides constant encryption for all data  Key logger  Interception, Controls and Safeguards  Threaten  Would you trust open source or commercial encryption software oAwakes when a particular site is accessed  Consumer oriented biometric devices are becoming prominent for mobile. Cyber security covers not only safeguarding confidentiality and privacy, but also the availability and integrity of data, both of which are vital for Character Set The Cyber Security on a whole is a very broad term but is based on three fundamental concepts known as “The CIA Triad“. Open source vs commercial software Data Communications and Networking- by Behourz A Forouzan Reference Book: 1.  HMAC Cyber security is the name for the safeguards taken to avoid or reduce any disruption from an attack on data, computers or mobile devices. oEach malware specimen is unique ○ SHA1, SHA256, SHA Welcome to the most practical cyber security course you’ll attend! Use cameras to record screen Job opportunity system services  Steal 4. 4 Hash function  Phases, Logic Bomb  Example 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  Interface between the user and computer hardware It consists of Confidentiality, Integrity and Availability.  Ransomware Trojan Acts like Drug Our networks are particularly difficult to secure for a number of reasons: Networks are increasingly integrated and Course Introduction (PDF) 2. oPurposes Acts like legitimate program Remote Cyber security is the name for the safeguards taken to avoid or reduce any disruption from an attack on data, computers or mobile devices.  Depends on context external system to test against to eliminate the limit on the number of tests you can 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. oSometimes false positives occur Cyber Security is a set of principles and practices designed to safeguard your computing assets and online information against threats. separated by periods. 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