SEC595: Applied Data Science and AI/Machine Learning for Cybersecurity Professionals

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Contact UsEmma, a 33-year-old software developer, had long forgotten about her old gaming forum account. She had signed up over a decade ago when she was in college, obsessed with an online strategy game. Over time, the forum grew quiet, the game faded, and Emma moved on with her life.
One morning, Emma was stunned to find an influx of password reset emails in her personal inbox, including from her bank, cloud storage account, and even Netflix. Panic set in as she realized someone had taken control of her personal email account. The intruder was using access to her email to reset passwords on multiple other services.
After some digging, Emma discovered the cause. Her forgotten online gaming forum had been hacked in a recent data breach. Everyone’s password on that forum had been compromised, including hers. And the password she used back then for the old gaming forum account? It was the same password she was using for her personal email account. In just a few hours, an old account had become a huge personal security risk. Now, she faced the stressful task of recovering her accounts, starting with her email.
Every account you create, no matter how trivial it seems at the time, stores some type of personal information. This can include your name, email address, date of birth, phone number, physical address, and even payment information.
Old accounts may be on older platforms that may no longer be maintained, with outdated security leaving your data vulnerable. When these sites are hacked, your passwords and personal information is at risk for compromise. If you are like Emma and reused the same password across multiple accounts, you are at far greater risk. Cyber attackers often reuse compromised passwords from one account and attempt to use that password on your other accounts.
You may not remember every site you signed up for, but there are ways to uncover your digital trail:
Once you’ve found old or unused accounts, it’s time to take action.
Make reviewing your accounts part of your annual spring cleaning. Whether it’s weak passwords, outdated security, or forgotten personal info, your future self will thank you.
Want to go beyond the newsletter? Tune in to the new OUCH! Podcast, where we go deeper on cybersecurity topics and give you extra insights to stay ahead of the threats.
Jodie Francis is the Membership Chair of WiCyS Ontario Canada and a Cybersecurity Architect with over a decade of experience in IT and security. She actively advocates for women and girls, promoting their engagement in STEM careers, and educates individuals on personal cybersecurity best practices.
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