Protect your personal computer (PC) and portable devices



European Cyber Security Month
an EU advocacy campaign that takes place in October

Protect your personal computer (PC) and portable devices



  • Use a firewall: Firewalls protect your network some viruses and hackers
  • Install anti-virus software: Anti-virus software prevents virus infections from spreading on your computer
  • Get the latest security updates: Keep your applications and operating system fit,healthy, and up-to-date
  • Stop spyware: Don’t let strangers get inside your computer by avoiding suspicious emails and attachments
  • Make regular backups: Protect your data from disaster


  • Switch off wireless connections when not in use or required
  • Connect your laptop to a trusted network regularly to update your security mechanisms.
  • Backup the information stored in your laptop
  • Don’t leave your laptop unattended

USB drives

  • Use an encrypted USB drive
  • Put the USB flash drive in read-only mode using the physical switch to avoid virus transmission: some USB flash drives include a physical switch to put the drive in a read-only mode to avoid the host computer from writing or modifying the data on the drive
  • Scan USB flash drive after copying files from an untrusted and/or unauthorised machine to avoid virus transmission
  • Before plugging your USB drive into someone else’s computer, delete all files which are not relevant for the purpose of that action
  • Backup information in your USB to recover data in case of a disaster
  • Attach USB drives to key chains/lanyards to avoid loss of media: the reduced size of USB flash drives makes these devices easier to lose or be stolen. Furthermore, the higher storage capacity increases the potential amount of data at risk for unauthorised access. USB flash drives are usually put in bags, backpacks, laptop cases, jackets, trouser pockets or are left on unattended workstations. The number of incidents has increased recently as USB drives get lost, misplaced, borrowed without permission or stolen

Mobile phones and handheld computers

Handheld computers like Windows Mobile, Palm, iPhone, Android and Blackberry devices, come with Internet links and the capability to store vast amounts of information. Their very portability means they need to be treated with extra care

  • Switch off wireless connections (i.e., Bluetooth and WLAN) when not in use. Bluetooth technology enables electronic devices to communicate with each other by using a short-range radio link
  • Don’t leave your mobile phone and handheld computer unattended. Otherwise, it could lead to data loss
  • Use the password function to prevent remote hacks into your smartphone

© Copyright Sorin Mustaca, All rights Reserved. Written For: Sorin Mustaca on Cybersecurity

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About the Author

Sorin Mustaca
Sorin Mustaca, (ISC)2 CSSLP, CompTIA Security+ and Project+, is working since over 20 years in the IT Security industry and worked between 2003-2014 for Avira as Product Manager for the known products used by over 100 million users world-wide. Today he is CEO and owner of Endpoint Cybersecurity GmbH focusing on Cybersecurity, secure software development and security for IoT and Automotive. He is also running his personal blog Sorin Mustaca on Cybersecurity and is the author of the free eBook Improve your security .

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