With the modern flaws and vulnerabilities in the field of cybersecurity, even DSLRs are not safe from attacks. A recent report from Check Point Research demonstrated how they managed to hijack a DSLR camera made by Canon.
Canon has stated the following workarounds to get around this issue on their support page.
With the vulnerability getting known to the public, more camera companies are going to roll out firmware updates fixing this issue in the upcoming days and we would recommend you to check for new firmware updates on your camera manufacturer’s blog. Also, do not forget to use a trusted Wi-Fi connection during the update process.