Computer Security

فهرست عناوین اصلی در این پاورپوینت

فهرست عناوین اصلی در این پاورپوینت

● Computer Security

نوع زبان: انگلیسی حجم: 0.27 مگا بایت
نوع فایل: اسلاید پاورپوینت تعداد اسلایدها: 30 صفحه
سطح مطلب: نامشخص پسوند فایل: ppt
گروه موضوعی: زمان استخراج مطلب: 2019/05/16 05:39:30

لینک دانلود رایگان لینک دانلود کمکی

اسلایدهای پاورپوینت مرتبط در پایین صفحه

عبارات مهم استفاده شده در این مطلب

عبارات مهم استفاده شده در این مطلب

., computer, attack, security, hacker, attacker, spoof, address, crime, machine, .۱, virus,

توجه: این مطلب در تاریخ 2019/05/16 05:39:30 به صورت خودکار از فضای وب آشکار توسط موتور جستجوی پاورپوینت جمع آوری شده است و در صورت اعلام عدم رضایت تهیه کننده ی آن، طبق قوانین سایت از روی وب گاه حذف خواهد شد. این مطلب از وب سایت زیر استخراج شده است و مسئولیت انتشار آن با منبع اصلی است.

https://www.albany.edu/~goel/classes/spring2004/msi604/notes/hacking.ppt

در صورتی که محتوای فایل ارائه شده با عنوان مطلب سازگار نبود یا مطلب مذکور خلاف قوانین کشور بود لطفا در بخش دیدگاه (در پایین صفحه) به ما اطلاع دهید تا بعد از بررسی در کوتاه ترین زمان نسبت به حدف با اصلاح آن اقدام نماییم. جهت جستجوی پاورپوینت های بیشتر بر روی اینجا کلیک کنید.

عبارات پرتکرار و مهم در این اسلاید عبارتند از: ., computer, attack, security, hacker, attacker, spoof, address, crime, machine, .۱, virus,

مشاهده محتوای متنیِ این اسلاید ppt

مشاهده محتوای متنیِ این اسلاید ppt

computer security mis ۶ ۴ – it solutions to business problems spring ۲ ۲ hackers crisis computer crimes hacker attacks modes of computer security password security network security web security distributed systems security database security topics prevention locks at doors window bars walls round the property detection stolen items are missing burglar alarms closed circuit tv reaction call the police replace stolen items make an insurance claim … prevention encrypt your orders rely on the merchant to perform checks on the caller don’t use the internet … detection an unauthorized transaction appears on your credit card statement reaction complain ask for a new card number etc. internet has grown very fast and security has lagged behind. legions of hackers have emerged as impedance to entering the hackers club is low. it is hard to trace the perpetrator of cyber attacks since the real identities are camouflaged it is very hard to track down people because of the ubiquity of the network. large scale failures of internet can have a catastrophic impact on the economy which relies heavily on electronic transactions crisis in ۱۹۸۸ a worm program written by a college student shut down about ۱ percent of computers connected to the internet. this was the beginning of the era of cyber attacks. today we have about ۱ incidents of cyber attacks which are reported and the number grows. computer crime – the beginning some stories about hackings a ۱۶ year old music student called richard pryce better known by the hacker alias datastream cowboy is arrested and charged with breaking into hundreds of computers including those at the griffiths air force base nasa and the korean atomic research institute. his online mentor kuji is never found. also this year a group directed by russian hackers broke into the computers of citibank and transferred more than ۱ million from customers accounts. eventually citibank recovered all but ۴ of the pilfered money. computer crime ۱۹۹۴ some stories about hackings in february kevin mitnick is arrested for a second time. he is charged with stealing ۲ credit card numbers. he eventually spends four years in jail and on his release his parole conditions demand that he avoid contact with computers and mobile phones. on november ۱۵ christopher pile becomes the first person to be jailed for writing and distributing a computer virus. mr pile who called himself the black baron was sentenced to ۱۸ months in jail. the us general accounting office reveals that us defense department computers sustained ۲۵ attacks in ۱۹۹۵. computer crime ۱۹۹۵ in march the melissa virus goes on the rampage and wreaks havoc with computers worldwide. after a short investigation the fbi tracks down and arrests the writer of the virus a ۲۹ year old new jersey computer programmer david l smith. more than ۹ percent of large corporations and government agencies were the victims of computer security breaches in ۱۹۹۹ computer crime ۱۹۹۹ the computer security institute s fifth computer crime and security survey also found that the total reported financial losses have tripled. the annual survey is conducted with the participation of the san francisco fbi computer intrusion squad and aims to increase awareness of security. this year s survey was based on responses from ۶۴۳ computer security professionals in u.s. corporations government agencies financial institutions medical institutions and universities. only ۴۲ percent of those answering the survey could put a dollar figure on their financial losses reporting the total at ۲۶۵ million. the average annual total over the last three years was ۱۲ million. in february some of the most popular websites in the world such as amazon and yahoo are almost overwhelmed by being flooded with bogus requests for data. in may the iloveyou virus is unleashed and clogs computers worldwide. over the coming months variants of the virus are released that manage to catch out companies that didn t do enough to protect themselves. in october microsoft admits that its corporate network has been hacked and source code for future windows products has been seen. computer crime ۲ some of the sites which have been compromised u.s. department of commerce nasa cia greenpeace motorola unicef church of christ … some sites which have been rendered ineffective yahoo microsoft amazon … why security get some stories about hackings because they can a large fraction of hacker attacks have been pranks financial gain espionage venting anger at a company or organization terrorism why do hackers attack active attacks denial of service breaking into a site intelligence gathering resource usage deception passive attacks sniffing passwords network traffic sensitive information information gathering types of hacker attack an active attack involves a deliberate action on the part of the attacker to gain information that he is after. like trying to telnet to port ۲۵ on a company server to break into the mail server. this is like a burglar trying to pick a lock. this is fairly easy to detect. passive attacks are mainly information gathering attacks and precede the active attacks. over the internet over lan locally offline theft deception modes of hacker attack get some stories about hackings definition an attacker alters his identity so that some one thinks he is some one else email user id ip address … attacker exploits trust relation between user and networked machines to gain access to machines types of spoofing ip spoofing email spoofing web spoofing spoofing ۱. normally users log on to one machine and have access to a number of computers. definition attacker uses ip address of another computer to acquire information or gain access ip spoofing – flying blind attack replies sent back to ۱ .۱ .۲ .۳ spoofed address ۱ .۱ .۲ .۳ attacker ۱ .۱ .۵ .۵ john ۱ .۱ .۵.۵ from address ۱ .۱ .۲ .۳ to address ۱ .۱ .۵.۵ attacker changes his own ip address to spoofed address attacker can send messages to a machine masquerading as spoofed machine attacker can not receive messages from that machine ۱. normally users log on to one machine and have access to a number of …

کلمات کلیدی پرکاربرد در این اسلاید پاورپوینت: ., computer, attack, security, hacker, attacker, spoof, address, crime, machine, .۱, virus,

این فایل پاورپوینت شامل 30 اسلاید و به زبان انگلیسی و حجم آن 0.27 مگا بایت است. نوع قالب فایل ppt بوده که با این لینک قابل دانلود است. این مطلب برگرفته از سایت زیر است و مسئولیت انتشار آن با منبع اصلی می باشد که در تاریخ 2019/05/16 05:39:30 استخراج شده است.

https://www.albany.edu/~goel/classes/spring2004/msi604/notes/hacking.ppt

  • جهت آموزش های پاورپوینت بر روی اینجا کلیک کنید.
  • جهت دانلود رایگان قالب های حرفه ای پاورپوینت بر روی اینجا کلیک کنید.

رفتن به مشاهده اسلاید در بالای صفحه


پاسخی بگذارید

نشانی ایمیل شما منتشر نخواهد شد. بخش‌های موردنیاز علامت‌گذاری شده‌اند *