Meltdown and Spectre: Recent Vulnerabilities in the Architecture of Many Lately Built Processors two decades, is the latest security crisis to hit the IT industry.
The phenomenon Meltdown and Specter came once again to confirm what many know but find it hard to admit: no one should think of their system as safe. Ισχύει πολύ περισσότερο η αναγνώριση ενός συστήματος σαν "σταθερό" και φυσικά σαν εν δυνάμει ανασφαλές. 
This means thinking about security as a continuous process and not as an end point.
Specter and Meltdown flaws are present in most Intel CPUs by 1995, and other chip manufacturers are affected.
For many, it may seem inconceivable that such serious weaknesses remain unannounced for so many years (NSA's joy). But it's just a function of the incredible complexity of the systems we all use. Before too long, there was another: Do you remember Heartbleed? The loophole in the OpenSSL cryptographic library that was released with its own logo and shedding panic on IT globally. Remember Shellshock? The WannaCry ransomware?
Security is a utopia and believing your systems are absolutely safe you are living a very dangerous illusion. Just assume your systems are insecure, and you'll start making better decisions.
Security ceased to exist with the arrival of the internet, but many of us don't seem to have realized that. Specter and Meltdown are two good examples because they can affect everything from the PC on your desk and the smartphone in your pocket to the cloud service that usesτε για να αποθηκεύετε τα δεδομένα σας. Ανεξάρτητα από το πόσο καλοί είστε στην "ασφάλεια", σήμερα βασίζεστε στον αστερισμό των παρόχων υπηρεσιών και των διάφορων συνεργατών τους.
Any software, operating system, or firmware code shipped by vendors is inevitably imperfect, so there will always be updates. THE application of these fixes is considered tedious and thankless work by many IT people. Especially in corporate environments, where each update should be vetted by IT to make sure it won't cause problems when implemented. So many times updates are not the first priority, although they should be. The WannaCry ransomware was released last year, although Microsoft had released a patch.
Of course this is what hackers know. Updates exist, but there are also systems that are not up to date.
So, what is security?
If you assume there is no security, you will have a greater chance of getting online and going safely. The aim of the article is to be suspicious.
There are no companies that can protect you, and if they promise they lie. Security means knowing that it does not exist, which prepares you for the worst scenarios.
