Sunday, September 22, 2019

Cyber Security Skype For Business and Dropbox

Skype For Business:
  • Skype is designed to help business communication which is developed by Microsoft.
  • Skype uses transport layer security protocol which establishes connection by encryption of message.
  • Skype uses voice call based SIP session initiation protocol. Which is a communication protocol in video or voice.
  • To avoid Skype affected by Malware or virus which needs to be kept OS updated.
  • Avoid unwanted call through Skype through VOIP(Voice Over IP).

Skype Vulnerabilities:
  • In MS version 7.2.7.35, 7.2.7.36  both the version hackers has the ability to inject malicious code.
  • Most important is Skype is a peer to peer application which is distributed over virtual network. Adware and Malware in peer to peer application is possible.
  • Skype can be attacked by peer to peer by DDOS attacks, also able to gather personal identifiable information.

Recommendations:
  • To avoid any attack use NIDS in network to find intrusion detection system.
  • To avoid attack keep the Skype patched and updated.
  • By effectively monitoring the Skype continuously, we can avoid the attack.


Dropbox:
  • When you're using Dropbox go to system preferences->security and privacy -> access ability to confirm, everything be normal.
Recommendation:
  • Always keep update the security patches every 30 days.
  • User should change their password frequently.

Security Practices When Connecting To Cloud:
  • End to End protection by encryption and decryption in source and destination.
  • Always remember to encrypt the files whatever you are using.
  • Best encryption method used is AES-256.
  • Check for unauthorised software on our environment.
  • Always use the sites with HTTPS.

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