Can there be viruses in EPUB?

While not as prevalent as viruses in pdf files, an epub file can contain malicious code. According to Norton, the antivirus software company, . epub . zip, and .exe files can contain malware that could give your computer a virus.

Is EPUB reader safe?

Yes. Epub Readers don’t pose a security threat unless downloaded from shady sources. Make sure to download programs from their official website.