The National Cyber Emergency Response Team has issued an advisory warning about growing cyber threats targeting video conferencing platforms such as Zoom and Google Meet.
In its advisory, National CERT said increased use of online meeting applications has led to a rise in cyber incidents, including unauthorized access to meetings, account takeovers, and data leaks. It warned that platforms used without proper security settings are vulnerable to hacking, data theft, service disruption, and attacks on users’ devices.
The advisory noted that attackers have been exploiting weak security controls to enter private meetings without permission, a practice commonly known as “Zoom bombing.” Such breaches can expose confidential discussions, sensitive data, and organizational systems to risk.
National CERT said successful attacks on video conferencing platforms could lead to unauthorized participants joining meetings, leakage or theft of information, disruption of services through denial of service attacks, and misuse of platform management tools and interfaces.
To reduce risks, the advisory recommended sharing meeting links only through secure channels and issuing meeting IDs shortly before sessions begin. It also advised enabling waiting rooms, locking meetings after all participants have joined, and limiting screen sharing to hosts by default.
Users and organizations were urged to treat meeting links like sensitive login credentials and ensure that devices used for video calls are protected through regular software and operating system updates.
The advisory also highlighted the need for stronger organizational controls, including layered security measures, network segmentation, intrusion detection systems, and continuous monitoring. In case of suspicious activity, National CERT advised immediately removing unauthorized users, reporting incidents, reviewing system logs, and ensuring secure backups are in place.
National CERT said the advisory is aimed at helping government departments, businesses, and individual users reduce cyber risks as reliance on online meeting platforms continues to grow.