More than 3,000 UK email servers are still at risk of the สูตรเล่นสล็อต global Microsoft Exchange email flaw, officials believe.The National Cybersecurity Center said about 7,000 servers were affected by the flaw in the UK, and only half were secured.It said malicious software was detected on 2,300 machines, but has helped businesses remove it.The agency said it was "critical" that all affected businesses do to secure their email servers.The announcement revealed the scale of the problem among UK companies for the first time since a global security flaw last week.The ransomware group has started using flaws to install malicious programs, NCSC warns, although there is no evidence of widespread ransomware attacks on UK companies.Once installed, the ransomware locks users' data behind strong encryption making the computer system unusable. The group then demands payment to unlock - and if that doesn't, it will steal or delete the data.
Free for all
Security flaws affect Microsoft's widely used Exchange email system, which drives email for giants, small businesses and public organizations around the world.The NCPO is particularly concerned about small and medium-sized businesses that they may not have heard of about the issue.Initially, the bug was used by hacking groups to remotely gain access to mail servers that could steal sensitive information.But after Microsoft warned the world that it had identified the problem and urged all users to download the latest security updates, other hacking groups quickly became familiar with the flaw.
The end result is a free hack for all widespread groups, as many hacking groups try to find unpaired email servers to attack.We are working closely with industry and international partners to understand the size and impact of UK exposure. But it is important that all organizations take immediate action to protect their networks, ”cautioned NCSC Director of Operations Paul Chichester.While this work is in progress, the most important action is to install the latest Microsoft updates.He also called on all organizations to "Get familiar" with recommendations about ransomware attacks and look for signs of their systems being compromised.
Emerging image
The sheer size of the problem still exists, with thousands of systems vulnerable in the UK alone.What is not entirely clear is the overall impact.While many systems are still at risk and thousands of systems have malicious software installed. But the number of instances we know of being used to steal emails or lock users with ransomware is still relatively low.That may change in the coming days as more reports come.What is clear is that many hacking groups have come together to take advantage of the vulnerability, and defense workers tend to be busy all the time.
