A flaw in all versions of Windows 10 and Server 2019 released since November 2018 leaves the Security Account Manager file which contains all the hashed credentials for the PC, open for any user to read. Microsoft has issued a security advisory to track their investigations, but no permanent solution has been released – although […]
SeriousSAM exposes Windows credentials Read More »
In 2016, Europol, the Netherlands Police and leading anti-virus companies joined forces to create the No More Ransom project, which to date has helped over 6 million ransomware victims recover their files and avoid paying €1billion in ransom. The nomoreransom.org website provides advice for individuals and businesses on how to protect themselves against ransomware and
How the No More Ransom project helps victims of ransomware Read More »
Microsoft has moved swiftly to publish mitigation advice for a new NTLM relay attack against Windows Domain controllers, dubbed PetitPotam. An NTLM relay attack can occur when an attacker inserts themselves between a valid client-server authentication request in a Windows Domain or tricks one system into trying to authenticate itself and so providing a copy
PetitPotam attack leaves Windows Domain Controllers Vulnerable Read More »
Since the start of June there has been a confusing number of security vulnerabilities reported in the Windows Print Spooler. Let me explain what is going on. CVE-2021-1675 This is the vulnerability that caused some initial confusion – a Remote Code Execution vulnerability in the Windows Print Spooler. This is not the vulnerability known as
The PrintNightmare continues Read More »
Security researchers at the University of London discovered several vulnerabilities in the home grown cryptography used by the Telegram messaging app which boasts half a billion users. The four vulnerabilities discovered in Telegrams bespoke MTProto protocol highlight the dangers of trying to invent new cryptographic systems rather than using proven existing solutions. MTProto is used by
Telegram vulnerabilities discovered Read More »
SentinelLabs has discovered a severe escalation of privilege vulnerability in a printer driver used by HP, Samsung and Xerox devices since 2005 – affecting over 390 printer models and millions of computers. The vulnerable driver gets installed on Windows systems without any user intervention, simply by plugging in a printer with a USB cable or
16 year old printer bug exposes millions of systems Read More »
July is another bumper month for Microsoft as they ship fixes for 117 security vulnerabilities, 13 of them rated as critical and at least 4 are currently under active attack by cyber criminals. The actively exploited vulnerabilities patched this month are: CVE-2021-34527 – Windows Print Spooler RCE Vulnerability – aka PrintNightmare It’s third time lucky
Microsoft’s July Patches fix 13 critical flaws Read More »
Microsoft has released an emergency patch that addresses the remote code execution vulnerability in the Windows Print Spooler, known as the PrintNightmare. According to Microsoft in their security advisory: A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who successfully exploited this vulnerability could run
Microsoft releases emergency patch for PrintNightmare Read More »
Kaseya provides remote management software used by thousands of IT support firms to manage millions of their end users computers. Kaseya was targeted in a supply chain attack to deliver ransomware to a claimed million of their customers computers. Managed Service Providers who provide outsourced IT support for small and medium sized enterprises rely on
What is the Kaseya Ransomware attack? Read More »
A new report from Microsoft’s security research team details how the Netgear DGN-2200 broadband router can be compromised remotely, allowing attackers access to the internal network. Microsoft’s 365 Defender Research Team has published a detailed report that explains the flaws they discovered in the firmware of the Netgear DGN-2200v1 ADSL router, that enables a remote
Netgear broadband router vulnerable to remote compromise Read More »
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