News

May 25, 2020: The CNS exam for 2nd year master students for the summer 2020 exam session will take place on Wednesday, May 27, 2020, 2pm, on Microsoft Teams. Please have a device (laptop or mobile phone with a camera on Microsoft Teams).

The exam will follow the same structure we used during the semester. Please find information about the exam on the grading page.

January 27, 2020: Please find the January 27, 2020 exam and final grades in the class register. If there are issues, please report them on the General Discussions forum on curs.pub.ro by Tuesday, January 28, 2020, 11am.

January 25, 2020: Please find the January 24, 2020 exam and final grades in the class register. If there are issues, please report them on the General Discussions forum on curs.pub.ro.

January 23, 2020: We remind you that the first instance of the CNS exam will take place tomorrow, Friday, January 24, 2020, 9am, room PR706.

There are going to be a lot of students so we're likely going to use a near room. We require about 25 students to have laptops as we don't have enough PCs in the rooms. Please bring them to the exam.

Please find information about the exam on the grading page.

January 15, 2020: We're getting close to completing the semester. The grades from the semester are in the class register.

Please check your grades and, if anything missing, please do the following:

  • if any missing/wrong grades for lecture tests, post a message on the respective thread on the discussions forum
  • if any missing/wrong grades on lab activities, send a private e-mail to the lab teaching assistant
  • if any missing grades for the assignments, post a message on the discussions forum

Please do these by Thursday, January 16, 2020, 11pm.

January 10, 2020: We remind you that the last CNS (Computer and Network Security, 1st year master) lecture (lecture 13) on Monday, January 13, 2020, 6pm, room PR002, will features two talks on applied security (industry and government):

  • Anton Rog, head of National Cyberint Center
  • Radu Caragea, senior security researcher at Bitdefender: Browser Engine Exploitation vs. Classical Binary Exploitation

These are going to be two very interesting talks, we invite you all to take part in them.

January 6, 2020: We value your opinions and input on improving the Computer and Network Security class (CNS) and its components. Please take the time and fill the feedback form on curs.pub.ro. You have to be logged in and enrolled to the course.

The feedback form is anonymous and active from January 6, 2020 to January 17, 2020. We will only be able to see the results at the end of the exam session. The feedback form has become available from January 6, 2020. You will find the link to the feedback form on the main page of the curs.pub.ro instance for your master's program CNS class (either PDCS or SRIC). It's not in the meta-course for all students.

We kindly ask you to evaluate the activity of the CNS team and mention the strong and weak points and your suggestions for improvement. Your feedback will help us improve both the CNS class and other classes you will go through in the future.

We will provide our analysis of your feedback at the beginning of the next semester.

We are particularly interested in:

  • What didn't you like and what you consider didn't go well?
  • Why didn't you like that and why you consider it didn't go well?
  • What should we do to make things likable and going well?

January 6, 2020: In today's lecture (Monday, January 6, 2020, 6pm, room PR002) we will present an exploit for a kernel vulnerability that does privilege escalation, allowing a non-privileged user to get root access: CVE-2017-5123

The slides and support slides are available on the lecture page. The lecture will be delivered / demoed by Adrian Șendroiu in Romanian.

January 4, 2020: We've added the grades for CNS lecture test #5 in the class register. If you consider the grade is wrong, follow the instructions in the respective thread on the curs.pub.ro Discussions forum.

January 1, 2020: We are approaching the end of the semester for CNS. As shown in the planning, the last instance of CNS lab #11 will take place on Monday, January 6, 2020, 4pm, room PR706. CNS lab #12 will take place on Monday, January 6, 2020, 8pm-10pm, rooms PR706, EG106, EG306 and on Monday, January 13, 2020, 4pm-6pm, room PR706.

Lecture #12 wil take place on Monday, January 6, 2020, 6pm, room PR002.

On Monday, January 13, 2020, starting with 6pm, room PR002, we will have two guest talks:

  • Anton Rog, head of CyberInt
  • Radu Caragea, from Bitdefender: Browser Engine Exploitation vs. Classical Binary Exploitation

The CNS examsNovember 30, 2019: We've added the grades for CNS lecture test #4 in the class register. If you consider the grade is wrong, follow the instructions in the respective thread on the curs.pub.ro Discussions forum. will take place:

  • on Friday, January 24, 2020, 9am, room PR706
  • on Monday, January 27, 2020, 9am, room PR706

You may choose any of the two dates (but only one) irrespective of your master program. Please announce on the respective threads on Discussion forum by Monday, January 20, 2020 which exam you will take part in.

December 08, 2019: The CNS 2019-2020 exams will take place:

  • on Friday, January 24, 2020, 9am, room PR706
  • on Monday, January 27, 2020, 9am, room PR706

You may choose any of the two dates (but only one) irrespective of your master program. Please announce on the respective threads on Discussion forum by Monday, January 20, 2020 which exam you will take part in.

Please find information about the exam on the grading page.

December 08, 2019: CNS lecture test #5 will take place on Monday, December 9, 2019, at 6:05pm, at the beginning of lecture 11, in room PR002. Please be there on time.

Lecture test #5 will cover topics from lecture 09: Code Reuse (part 2) and lecture 10: Heap Exploitation.

December 05, 2019: Assignment 3 is live. It follows a CTF format. The CTF platform is here. Please follow the instructions and create an account on the platform.

November 30, 2019: We've added the grades for CNS lecture test #4 in the class register. If you consider the grade is wrong, follow the instructions in the respective thread on the curs.pub.ro Discussions forum.

November 23, 2019: CNS lecture test #4 will take place on Monday, November 25, 2019, at 6:05pm, at the beginning of lecture 9, in room PR002. Please be there on time.

Lecture test #4 will cover topics from lecture 07: Strings. Information Leaks and lecture 08: Code Reuse (part 1).

November 16, 2019: We've added the grades for CNS lecture test #3 in the class register. If you consider the grade is wrong, follow the instructions in the respective thread on the curs.pub.ro Discussions forum.

November 14, 2019: Assignment 2 is live. It follows a CTF format. The CTF platform is here. Please follow the instructions and create an account on the platform.

November 9, 2019: We've added the grades for CNS lecture test #2 in the class register. If you consider the grade is wrong, follow the instructions in the respective thread on the curs.pub.ro Discussions forum.

November 6, 2019: CNS lecture test #3 will take place on Monday, November 11, 2019, at 6:05pm, at the beginning of lecture 7, in room PR002. Please be there on time.

The first lecture test will cover topics from lecture 05: Exploiting. Shellcodes (part 2) and lecture 06: Defense Protection Mechanisms.

October 26, 2019: CNS lecture test #2 will take place on Monday, October 28, 2019, at 6:05pm, at the beginning of lecture 5, in room PR002. Please be there on time.

The first lecture test will cover topics from lecture 03: The Stack. Buffer Management and lecture 04: Exploiting. Shellcodes.

October 23, 2019: Assignment 1 is live. It follows a CTF format. The CTF platform is here. Please follow the instructions and create an account on the platform.

October 19, 2019: We've added the grades for CNS lecture test #1 in the class register. If you consider the grade is wrong, follow the instructions in the respective thread on the curs.pub.ro Discussions forum.

October 14, 2019: It seems that, up until now, the link to the CNS VMs hosted an older version of the Kali VM. We've updated it now and added some extra info. Please download the new version. Don't forget to check its hash.

October 9, 2019: CNS lecture test #1 will take place today, Monday, October 14, 2019, at 6:05pm, at the beginning of lecture 3, in room PR002. Please be there on time.

The first lecture test will cover topics from lecture 01: Introduction. Basic Exploration Tools and lecture 02: Program Analysis.

October 9, 2019: If you choose to, you can keep the lab grade (all labs) or the assignments grade (all assignments) from previous academic years or both. You cannot keep grades for lecture tests or for the exam. In case you want to keep grades, reply on the respective thread on acs.curs.pub.ro.

September 30, 2019: We would like to remind you that the first Computer Network Security lecture will take place today, September 30, at 18:00 in room PRECIS 002. The first Computer Network Security labs will immediately follow from 20:00 in rooms PRECIS 706, EG106 and EG306. The last instance of the first lab will take place next Monday, October 7 from 16:00 in room PRECIS 706.

September 29, 2019: The lab groups will be created after replying to the lab allocation threads on the General Discussions forum starting with Monday, September 30, 2019, 10:15 AM. There will be a thread for each lab slot where you will fill your name and master program until a limit of 16 students per lab slot. You can only fill your own name.

We will then fill the lab split here.

September 23, 2019: Welcome to the wonderful and challenging world of security. Put on your hackers hats, get your assembly skills on, start thinking in binary and let's get cracking! :-) The Computer and Network Security class focuses on offensive security: i.e. reverse engineering, binary analysis, exploiting and runtime application security. We will not tackle crypto or web security as these are going to be better handled at other classes. Enjoy the ride!

The first Computer and Network Security lecture will take place on Monday, September 30, 2019, room PRECIS 002. The first Computer and Network Security lab will take place on Monday, September 30, 2019, 8pm-10pm, in rooms PRECIS 706, EG106 and EG306. The last instance of the first lab will take place on Monday, October 7, 2019, 4pm-6pm in room PRECIS 706.

All information is on the wiki. Please check the CNS Need to Know page.

For starters please join the mailing list. The administrative staff will also provide you access to the cs.curs.pub.ro class.

cns/news.txt · Last modified: 2020/05/25 22:57 by razvan.deaconescu
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