Difference between Vulnerable and Undefended

VULNERABLE vs UNDEFENDED: ADJECTIVE

More likely to be exposed to malicious programs or viruses.
More or most likely to be exposed to the chance of being attacked or harmed, either physically or emotionally.
Liable to injury; subject to be affected injuriously; assailable.
In a position to receive greater penalties or bonuses in a hand of bridge. In a rubber, used of the pair of players who score 100 points toward game.
Open to censure or criticism; assailable.
Susceptible to emotional injury, especially in being easily hurt.
Susceptible to physical harm or damage.
Susceptible to physical or emotional injury
Susceptible to attack
Susceptible to criticism or persuasion or temptation
Capable of being wounded or hurt

Capable of being wounded; susceptible of wounds or injuries, literally or figuratively.
Capable of wounding; dangerous.

Threatened, Compromising, Immature, Undefended, Unsafe, Unguarded, Assailable, Endangered, Defenceless, Penetrable, Weak, Defenseless, Unprotected, Insecure, Susceptible

Unfortified, Unpopulated, Unchallenged, Untouched, Impregnable, Helpless, Uninhabited, Defenseless, Unguarded, Defence, Unprotected, Open, Vulnerable, Assailable, Undefendable

Threatened, Compromising, Immature, Undefended, Unsafe, Unguarded, Assailable, Endangered, Defenceless, Penetrable, Weak, Defenseless, Unprotected, Insecure, Susceptible

Unfortified, Unpopulated, Unchallenged, Untouched, Impregnable, Helpless, Uninhabited, Defenseless, Unguarded, Defence, Unprotected, Open, Vulnerable, Assailable, Undefendable

For me this makes Matlab code very vulnerable.
Can I prevent being vulnerable to spiritual attack?
Intimate partner violence and abuse of vulnerable adults.
Safeguards for vulnerable groups There are not many safeguards for vulnerable groups.
No one needs love except you are vulnerable and love is irrelevant if you are not vulnerable.
Assessing Vulnerable Population Safe rooms have a single purpose: to protect the lives of the population vulnerable during a tornado or hurricane.
For example, vulnerable employees and employees with vulnerable family members may not feel comfortable coming to work due to fear of infection.
He argues that Carrera was not vulnerable to begin with; instead, he was made vulnerable by the offense.
This allows you to make resistant enemies vulnerable, or further increase the vulnerability of an already vulnerable enemy.
It is important to address the needs of parents who are financially vulnerable or vulnerable in other ways.

Costs if the action is undefended will be as follows: Summons.
Court scale costs are detailed below for an undefended matter.
Jewish people and that the city of Jerusalem was undefended.
The statute makes no distinction between defended and undefended cases.
But they had left the bridge itself virtually undefended.
These include hospitals, cultural sites, and other undefended places.
How is an undefended minor civil claim dealt with?
What Happens If the Divorce Application Is Undefended?
The undefended estate changed hands without a whimper.
The Court had before now done justice in many undefended cases and he wished himself to be considered as undefended.