Every security advisory, scanner report and patch note leans on the same small set of public systems. CVE gives a vulnerability its name. CVSS says how bad it could be. EPSS estimates how likely it is to be attacked soon. CISA’s Known Exploited Vulnerabilities catalog (KEV) says it already has been. They are run by different organizations, answer different questions, and get confused with each other constantly. Anyone who has to decide what to patch first, or who reads that a flaw is “a 9.

The US military runs several alert scales at once, and they measure different things. DEFCON is about readiness for war, nuclear war included. FPCON is about protecting bases and people from terrorist attack. MOPP tells troops how much chemical protective gear to wear. EMCON controls how much a ship or unit transmits. A base can sit at a raised FPCON while DEFCON hasn’t moved at all; a destroyer can go radio-silent under EMCON with no change in either.

A passkey is a login credential made of a cryptographic key pair instead of a shared secret. You unlock it with whatever unlocks your phone or laptop (a fingerprint, your face, a PIN), and the website never receives anything it could leak or that you could be tricked into typing somewhere else. Passkeys are the consumer name for FIDO2 credentials, and Apple, Google and Microsoft have supported them since 2022. They fix the two biggest problems with passwords, phishing and reuse, almost completely.

Post-quantum cryptography (PQC) is the set of public-key algorithms built to survive an attack by a large quantum computer. It runs on ordinary computers and ordinary chips. Nothing about it is quantum except the threat it is designed against. The reason anyone outside a cryptography department should care is simple: almost every secure connection you make today, from a bank login to a software update, depends on RSA or elliptic-curve cryptography (ECC), and both fall apart once a big enough quantum machine exists.

A book cipher uses an ordinary published text as the shared secret. Sender and receiver own the same edition, and the encoded message is nothing more than a set of pointers into it. The appeal is obvious. No suspicious key material, no cipher machine, nothing incriminating on a shelf that also holds forty other books. For roughly four centuries this was one of the better options available to spies, conspirators and diplomats working without institutional support.

I like open-weight models. I think Jensen Huang’s argument — that open weights let more eyes find more flaws faster — is broadly correct as a security philosophy, and I’ve made versions of that argument in print before this week. I still believe it. I just don’t think this week is the evidence for it that the industry’s letter wants it to be. Meta, Microsoft, OpenAI and others signed a letter defending open-weight models against “premature restrictions,” timed to Huang’s first-ever post on X making the eyes-on-the-code case.

Bitdefender has released its 2026 Global Scam Intelligence Report, a 12-month analysis of the global scam landscape built from trillions of URLs, billions of messages, and live ad ecosystem telemetry — finding that 14% of consumers fell victim to a scam in the past year and that finance-themed fraud now dominates every major communication channel. The report is the most data-dense scam analysis Bitdefender has published to date. Its telemetry infrastructure spans call honeypots, direct consumer submissions, and live ad ecosystem monitoring, capturing campaigns in motion rather than reconstructing them post-incident.

ShinyHunters is a financially motivated criminal extortion group that emerged on dark web forums in May 2020, offering millions of stolen user records from more than a dozen companies in a single two-week burst. Believed to have formed as early as 2019, the group operates under a pay-or-leak model: breach an organization, issue a private ransom demand, and publish or auction the stolen data if payment is refused. That model, refined over six years, has made ShinyHunters one of the most prolific data theft operations on record, with attributed breaches spanning retail, finance, aviation, education, defense contracting, telecommunications, and sovereign government infrastructure.

A working reference for the language of modern cybersecurity — organized by threat surface and defensive domain. Definitions are written for security professionals, technical managers, and informed practitioners who need precision without padding. Threat Actors and Motivation Advanced Persistent Threat (APT) A sophisticated, long-duration cyberattack campaign — typically state-sponsored — characterized by stealth, patience, and a specific high-value target. APT actors infiltrate networks and maintain persistent access for months or years before executing their objective.

Every corporate WiFi network that prompts for a username and password rather than a passphrase is running 802.1X authentication backed by a RADIUS server. The mechanism is invisible to end users but structurally different from home WiFi in ways that matter enormously for security. Understanding how it works explains why enterprise networks handle compromised credentials, device theft, and regulatory compliance requirements in ways that passphrase-based networks cannot. The Limitation of PSK Authentication Home and small office WiFi uses a pre-shared key: one passphrase, shared among all users and all devices.

The Comprehensive WiFi Guide: Standards, Security, Optimization, and the Future of Wireless Networking Wireless networking has reshaped how humanity connects, communicates, and computes. From the first hesitant deployments of 802.11b in late-1990s coffee shops to the multi-gigabit, multi-link environments of WiFi 7, the arc of WiFi’s development is one of the most consequential stories in consumer technology. This guide covers everything: the physics, the standards genealogy, the security landscape, real-world deployment strategy, troubleshooting methodology, and what the standards bodies are building next.

In October 2017, security researcher Mathy Vanhoef published a paper describing Key Reinstallation Attacks — KRACK — against the WPA2 four-way handshake. The disclosure triggered emergency patches across every major operating system, router firmware, and WiFi chipset vendor simultaneously. It was the most significant WiFi security event between WEP’s collapse in the early 2000s and WPA3’s introduction in 2018. Understanding what KRACK was, and what it actually threatened, clarifies both the state of WPA2 security today and how the WiFi security ecosystem responds to structural vulnerabilities.

For fifteen years, the standard advice was simple: never use public WiFi without a VPN. The concern was legitimate — open networks transmitted all traffic in cleartext, readable by anyone in radio range with a packet capture tool. Sitting in a coffee shop and watching an unencrypted HTTP session between a neighboring laptop and a banking site was technically trivial. Sniffing credentials required nothing more than Wireshark and proximity. That threat model has changed in two independent directions: the web has largely moved to HTTPS, and WPA3 introduced Opportunistic Wireless Encryption for open networks.

The average connected home in 2026 has around forty WiFi devices. Of those, perhaps six to ten are traditional computing devices — laptops, phones, tablets — with current operating systems, automatic security updates, and vendors who issue patches. The rest are smart bulbs, thermostats, door locks, cameras, robot vacuums, speakers, appliances, and sensors. These devices run embedded software that may not have been updated since the day they shipped, respond to default credentials that have not been changed, and have attack surfaces that their manufacturers have not fully audited.

WPA3 has been the current WiFi security standard since 2018. WPA2, its predecessor, has been deployed since 2004 and remains the majority protocol on networks worldwide. The gap between them is not cosmetic — there are genuine security improvements in WPA3 — but the threat model that justifies urgency depends on who is operating the network and what data crosses it. What WPA2 Actually Provides and Where It Falls Short WPA2 introduced AES-CCMP encryption to WiFi, replacing the broken WEP and transitional TKIP protocols that preceded it.

Autonomous Security Warfare (ASW) refers to the use of AI-driven, self-directed systems to conduct offensive and defensive operations — cyber and physical — with minimal or no human intervention in real time. It sits at the intersection of machine speed, military doctrine, and a legal framework that was not built for any of this. What It Covers Cyber operations. AI systems that autonomously detect intrusions, launch countermeasures, or conduct offensive cyberattacks against adversary infrastructure without waiting for a human operator to approve each action.

Google researchers have published findings that tighten the timeline on one of the most consequential threat scenarios in digital finance: a quantum computer capable of breaking the cryptographic foundations of Bitcoin and other blockchain-based assets. The specific target is elliptic-curve cryptography — and more precisely, the elliptic curve discrete logarithm problem for 256-bit curves (ECDLP-256), which underlies the key pairs that secure Bitcoin wallets and transactions. The researchers’ updated estimates reduce the quantum computing hardware requirements needed to execute such an attack, meaning the capability threshold is lower than the field previously assumed.

Zero trust begins with a kind of uncomfortable admission: the network is no longer a safe boundary. For years, security was built around the idea that once you were “inside,” you were mostly trusted. Firewalls guarded the perimeter, and anything beyond that line operated with fewer questions asked. That model made sense when systems were centralized and users sat in predictable locations. It doesn’t hold up anymore. Work happens across cloud platforms, personal devices, remote connections, third-party integrations—there isn’t a clean inside or outside anymore, just a constantly shifting surface of interactions.

RSAC 2026 has opened at the Moscone Center, bringing together the global cybersecurity community for its 35th year. Hosted in San Francisco, the event gathers tens of thousands of attendees from over 100 countries, alongside more than 700 speakers, 570+ sessions, and 600+ exhibitors. This year’s focus centers on the growing impact of AI, which is accelerating both cyber threats and defensive capabilities. The conference blends high-level keynotes with technical tracks, hands-on villages, and startup showcases, including the Innovation Sandbox where emerging companies receive significant investment backing.