Competency

By cliangNo Comments
Incompetency to react with changing environment will lead to fatality Recently I gave a talk to a local university students about cyber survivability. At the end of the session, it's Q&A. One of the students asked "There are lots of challenges in the cyber space. Among them, what's the most serious challenges that you have met?". I told them people is the serious challenge. Decades ago, the human aspect is considered as the weakest link in cybersecurity. Over times, this remains. It's just a matter the focus has shifted. Now, general users are well aware of cyber deception in the cyber space like phishing and scam, be cautious of unknown requests and things too good to be true. Why is the human aspect still applied? It's about the cybersecurity practitioners. They are supposed the leader in cybersecurity of an organization. They are hired to provide professional judgment in enabling a secure business environment, steer in the right direction....
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Seasonal Factor

By cliangNo Comments
There are network anomaly detection technologies to alert abnormal network traffic of potential cyberattack. The pre-requisite is let the technology learn the current network traffic pattern as baseline profile. Then anything outside this profile boundary will be treated as anomalies and triggers alert. It is a great technology - no signature or definition update for zero TCO maintenance. All are self-sustained. However, the key question is how long should the technology acquire the correct baseline profile? Some vendors claim just one or two weeks suffices. Really? Even with 80/20 rule, such short duration shall generate many false alerts that eventually affecting confidence. Realistically, duration in a year for setting up the baseline profile deems necessary to fully cover the normal traffic. After all, human perception especially senior management is important for successful deployment. A KPI dashboard shall provide visibility of the value of the technology. Last but not the least, network anomalies detection is just one layer of defense. We should strengthen...
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