Our company was recently subjected to a physical break-in. In 1 day, the intruder traveled to all classrooms using a single key card. Find the name, key card number and the time he entered the building
Flag format: CODEBY{Name_Surname_CardID_Timestamp}

Dismissal

The first and the last matryoshka dolls hold the most unexpected surprises: the first by their content, the last by their lack of it

Matryoshka doll 2

Perhaps this radio signal was received from space. Or was it?

Earth Rumble 2

Relatively recently, an employee in charge of deliveries had to transfer a large sum of money to complete a transaction. His superiors had allocated him his own card for this purpose. Before the transaction was completed, at some point his internet connection went down. He contacted the sysadmin and sent him the following screenshot (attached to the task). A few hours later, all the money is gone from the card, and the sysadmin suddenly quit and is posting storis from the Maldives. You need to deal with this

Careful with trust

I don't get it! Why would we get a picture from a memory dump? I'll ask you not to make a fuss!

It's a koloboki investigation

Life is a matryoshka doll: you expect the new, but you get the old

Matryoshka doll

Our new employee has been carrying around his flash drive for days now. And the strangest thing is that one single file with a presentation changes on it every day. And he copies those files to his work PC. Every day! But now I copy the file and recognize the contents!

Presentation from Troy

It seems to be one of the legendary OS. Will you be able to find the flag in it?

Can you find the flag?

Recently, someone compromised an internal service of our company. We checked the traffic that was coming to us from outside - nothing. So we went after our employees. Everyone had a hidden sniffer on their computer that they didn't know about. We give you the traffic of the most suspicious employee, see if he's guilty of the incident or not

Shift

Hacker Vanya wanted to play with the Pentagon's security. Daddy ended up having to take a memory dump and copy Vanya's folder. He gave it all to you. Help me figure out what Vanya did to the system