Executive Signals
Executive Signals
Insights for leaders on cybersecurity, risk, resilience and strategic decision-making in a digital world.
Explore latest articles →Ideas for a more resilient tomorrow —
Venkat Mangudi
Writing on cybersecurity, AI, resilience, leadership, and risk.
Independent perspectives at the intersection of technology, people, and a more resilient future. Clear analysis for a complex and uncertain world.
Explore the latest →-
Latest edition
Signal Watchtower Advisory SW-A004: eMudhra’s Certificate Keys Could Be Guessed in 255 Tries
Read the full edition →: Signal Watchtower Advisory SW-A004: eMudhra’s Certificate Keys Could Be Guessed in 255 TriesAdvisory SW-A004Critical The private keys of eight eMudhra certificate authorities were single-byte numbers, and a laptop recovered all of them in under a second. FocusPublic key infrastructure · India Published21 October 2026 StatusRemediation and investigation under way AuthorVenkat…
Executive SignalsRisk. Judgment. Resilience. →Artificial CertaintyPrompted to Believe. →Signal WatchtowerSignals worth noticing. →The Wild SignalsField observations →
Artificial Certainty
Artificial Certainty
Exploring AI’s possibilities, limits, governance and accountability, while keeping human judgment in view.
Explore latest articles →
Signal Watchtower
Signal Watchtower
Observations of emerging risks, weak signals, incidents and developments shaping cybersecurity.
Explore latest articles →FIELD INTELLIGENCE / THE WILD SIGNALS
What the signals are telling us
Observations from Venus deception telemetry, examined alongside Medulus vulnerability intelligence. What was observed, what changed, and what defenders can reasonably conclude.
LATEST FIELD REPORT
-
The Perimeter Week
Read this edition →: The Perimeter WeekFive of nine new exploited-vulnerability listings were gateways, firewalls or remote-access appliances, and VPN events on the decoys doubled.
INSIDE EACH EDITION
- The signals in plain language
- Observed activity and significant changes
- Vulnerability and threat context
- Technical evidence and limitations
About Venkat Mangudi
I write about cybersecurity, AI, resilience, leadership and risk, with a focus on how people and organizations make better decisions in an increasingly complex world.
More about me →LinkedIn newsletters
Stay informed
Read every article here for free. Follow the newsletters on LinkedIn for new-edition notifications.
- ■ Executive Signals – Leadership, business and cyber risk
- ■ Artificial Certainty – AI, governance and accountability
- ■ Signal Watchtower – Cyber developments and emerging risks
- ■ The Wild Signals – Observations, vulnerability context and field intelligence
Email signup on this website is not open yet. No address or name is needed to read. Find out how to follow the newsletters on LinkedIn.