18 Questions
What is a common threat related to mobile code execution?
Dynamic email risks
Which type of small programs written in Java are usually subject to a sandbox?
Java applets
What is an issue that Java applets are meant to address?
JavaScript security
Which of the following poses a significant risk in emails?
Dynamic email scripts
What type of control is suggested for emails with active scripts or links?
Restrictions on email functions
Which of the following is more likely to be affected by Object reuse vulnerability?
Garbage collection mechanisms
What is a buffer overflow?
A temporary area for data storage where extra data can overwrite other buffers
How can a buffer-overflow attack be exploited by a hacker?
By flooding a memory space reserved for a program
Which type of buffer overflow is more common among attackers?
Stack-based buffer overflows
What is the main difference between stack-based and heap-based buffer overflows?
Stack-based overflows are more difficult to execute
Which type of buffer overflow attack is considered difficult to execute and less common?
Heap-based buffer overflow
In a buffer overflow attack, what does the extra data sometimes contain that could trigger specific actions?
Specific instructions for actions intended by a hacker
What is the purpose of garbage collection in Java?
To efficiently manage memory use
What is a trap door in a program?
A security feature that allows bypassing normal access procedures
Which of the following is a risk associated with incomplete parameter check and enforcement?
Malformed data input can bypass security checks
What is the main concern regarding object reuse vulnerability?
Sensitive residual data exposure
Which type of covert channel communicates by modifying a stored object?
Storage Channels
What precaution should be taken to ensure confidential information is protected from being re-assigned without being cleared?
Erasing information immediately after use
Explore concepts related to threats in information security, including object reuse, garbage collection, and the risks associated with not deallocating memory properly. Learn about various types of threats and how they can impact data security.
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