Exploitation attempts against critical Atlassian flaw have begun (CVE-2026-21589)

AbuseBox: Open-source monitor for blacklists, DNS, SSL and email records

AbuseBox is a free, open-source tool that checks IP addresses and domains against 60 DNS blacklists, pulls reputation scores from AbuseIPDB, inspects DNS, SSL and email-authentication records, and sends an alert when something changes. A DNS blacklist, or DNSBL, is a list that mail servers and other services consult when deciding whether to trust an address. The dashboard keeps one list of what needs attention: black…

NIST starts the countdown to retire quantum-vulnerable encryption

The National Institute of Standards and Technology (NIST) has released a roadmap for moving to post-quantum cryptography (PQC), with earlier deadlines for certain sensitive federal systems. The report, Transition to Post-Quantum Cryptography Standards (NIST IR 8547), explains which cryptographic methods need to be replaced, what organizations should consider and how the transition will unfold. It builds on the post-q…

CVE-2026-111497 Portfolio Status: Impact of Brotli Vulnerability (CVE-2026-111497) on Palo Alto Networks Products (Severity: CRITICAL)

CVE-2026-109618 Impact of Critical Vulnerabilities in PHP (CVE-2026-109618, CVE-2026-109619) on Palo Alto Networks Products (Severity: CRITICAL)