InfoSecBulletin Cybersecurity for mankind

Imdadul Haque, the president of Internet Service Provider of Bangladesh (ISPAB) said, I automatically got back my WhatsApp account. What happened: A media worker from Bangladesh shared a screen shot with infosecbulletin. “Can I urgently send 2000 taka to bKash now? I will give it tomorrow morning, InshaAllah.” The reporter …

Zyxel Networks has issued critical security patches for two high-severity vulnerabilities in its USG FLEX H series firewalls. These flaws could let attackers gain unauthorized access and escalate their privileges on the devices. On April 22, 2025, a security advisory was released outlining patches for CVE-2025-1731 and CVE-2025-1732, affecting various …

South Korea’s largest mobile operator, SK Telecom, is warning that a malware infection allowed threat actors to access sensitive USIM-related information for customers. SK Telecom is the largest mobile network operator in South Korea, holding approximately 48.4% of the mobile phone service market in the country, corresponding to 34 million subscribers. The …