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Ragnar Karlsson

Ragnar Karlsson

BTLO - 'Haunted'

BTLO - 'Haunted'

A write up of the Blue Team Labs Online investigation "Haunted", part of their 2024 Halloween event.
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Ragnar Karlsson
Training for a security operations team

Training for a security operations team

Some say the only constant in life is change, and that's very true in the world of information security. In this post I talk about my approach to training for security operations teams.
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Ragnar Karlsson
BTLO investigation tips & tricks

BTLO investigation tips & tricks

When it comes to tackling the investigations on BTLO there are a
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Ragnar Karlsson
Returning to the blogosphere

Returning to the blogosphere

After 11 years of this site effectively being shelved and gathering virtual dust, I've finally returned to it and am producing information security related content.
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Ragnar Karlsson
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