OT vs IT: Securing the Industrial World
Power plants, water works and factories run on operational technology, and protecting it takes more than a regular firewall.
- Theknolotši
- Bagolo
- Magareng
- Ya thuto
- dipotšišo tše 10
- metsotso e ka bago 5
- Tshwaelo ka morago ga potšišo ye nngwe le ye nngwe
Go phenkgišana
Bakeng sa bana le bohle ba ba ratago go bapala
Bona dipotšišo
Ntle le dikarabo tše di nepagetšego, gore di go makatše ge o bapala.
Potšišo 1
In OT security, which goal usually comes first?
- Availability and safety of the process
- Confidentiality of stored data
- Anonymity of the plant operators
- Speed of software updates
Potšišo 2
Why are PLCs in a plant often left unpatched for years?
- Their vendors forbid any software changes
- Patching needs downtime and retesting the process
- They cannot be infected by any malware
- Patches for them only exist on paper
Potšišo 3
Which malware, found in 2010, sabotaged Iranian uranium centrifuges?
- WannaCry
- NotPetya
- Stuxnet
- Mirai
Potšišo 4
What is a key security weakness of the classic Modbus protocol?
- It only works over satellite links
- It has no built-in authentication
- It encrypts data with a broken cipher
- It needs a cloud server to run
Potšišo 5
In the Purdue model, which level holds the physical sensors and actuators?
- Level 3
- Level 4
- Level 0
- Level 2
Potšišo 6
A plant claims its OT network is air-gapped. Which still threatens it?
- A USB stick plugged in by a contractor
- Phishing emails sent to the OT switches
- Ransomware in the public cloud only
- Weak passwords on the cafeteria Wi-Fi
Potšišo 7
Which standard series is built specifically for industrial automation security?
- ISO/IEC 27001
- IEC 62443
- PCI DSS
- ISO 9001
Potšišo 8
Why is aggressive active scanning risky on an OT network?
- Old devices may crash from unexpected traffic
- Scanners legally count as an attack there
- OT devices hide behind invisible IP addresses
- Scans permanently erase network switch logs
Potšišo 9
In 2015, attackers cut power to about 225,000 people in which country?
- Estonia
- Ukraine
- Germany
- Georgia
Potšišo 10
What device allows data to flow only one way out of an OT network?
- A load balancer
- A VPN concentrator
- A data diode
- A proxy server
