security

Microsoft has warned users of a significant unpatched security flaw in Windows. It's offered some key steps to take while the problem is being fixed. The problem affects all currently supported versions of Windows, though Windows 7 and 8 machines ... are affected 'critically' according to the Microsoft advisory bulletin. Attacks on Windows 10 machines are considerably more constrained due to its enhanced security features. Microsoft says its currently only aware of targeted attacks on Windows 7 machines, though that could change now the bug has been made public. (Source: microsoft.com ) Adobe ... (view more)

Windows 10's built-in security tool Windows Defender has stopped working properly for some users. There's a workaround for those who want added peace of mind. Exactly what's causing the problem isn't yet clear, but some users are finding both manual ... and automatic scans produce messages such as: "Items skipped during scan: The Windows Defender Antivirus scan skipped an item due to exclusion or network scanning settings." In other cases, the error message reports that the entire scan was skipped. The message isn't proving particularly helpful as it's not clear what items are actually being ... (view more)

A new ransomware variant takes advantage of a Microsoft Excel feature. It's a good reminder to keep security software up-to-date. The variant has been reported by security company Lastline. It involves a known ransomware called Paradise that ... operates in the familiar fashion: the attackers find a way to get remote access to a computer then encrypt files and demand a fee to restore access - sometimes in the tens of thousands of dollars, or much higher. In this case, the attackers try to trick victims into opening a file attachment that creates the opening for accessing the machine. The ... (view more)

Most online attacks don't involve malware, according to newly published figures. It's the first time "fileless techniques" have been in the majority. The figures come from an annual report by security company CrowdStrike. It says it analyzed its own ... customer data along with that from investigations into known attackers and data from reported incidents. According to the report, malware-free attacks made up 51 percent of the total during 2019, up from 40 percent the previous year. The tactics were particularly prevalent in North America, making up 74 percent of attacks. (Source: zdnet.com ) As ... (view more)

Google has issued a critically important update to its Chrome browser due to a nasty zero day bug. The browser should update automatically for most users, but the bug is serious enough that it's a case of checking to ensure that the update has been ... successfully applied. The update fixes three security problems, one of which is a critical. It means hackers were actively exploiting the problem before Google fixed it - meaning the update process gave users a zero day head start on the bad guys (hence the term, ' zero day exploit '). Perhaps unsurprisingly, Google isn't saying much at all about ... (view more)

Ransomware forced an unplanned shutdown of a US gas pipeline for two days. It's not yet clear if the attackers intended to have that effect. The full details, including the identity of the pipeline and its operators, have been kept under wraps. The ... only official information that's been made public comes from a security alert bulletin by the Department of Homeland Security (DoHS). (Source: us-cert.gov ) The attack started as an all-too-familiar "spear phishing" attack. That's a deliberately targeted email that tries to fool somebody (that typically works for a corporation) into clicking on a ... (view more)

Google says phone and tablet makers who alter Android's code to add security measures may actually be undermining security. It says device manufacturers should stick to Android's own measures. Jann Horn of Google's Project Zero security team ... specifically pointed to an alteration made by Samsung for the Galaxy A50 phone, which he says contained a bug that made the device vulnerable to attack. He says he discovered and reported the bug to Samsung in September 2018 but it wasn't patched until Samsung's security updates released this month. (Source: blogspot.com ) Ironically Horn believes the ... (view more)

Google has removed more than 500 rogue Chrome extensions that were scamming both computer users and advertisers. Some rogue extensions have been operating for more than a year. The rogue extensions were spotted by security researcher Jamila Kaya and ... Jacob Rickerd of Cisco. They used a Cisco security tool called CRXcavator that's specially designed to assess Chrome extensions. (Source: duo.com ) The pair worked on a project to try to spot common patterns of bogus extensions. They started by assessing "a few dozen" extensions they knew to be rogue and were able to use patterns to expose 70 ... (view more)

Researchers have warned of a sneaky trick that uses malware to collect passwords for online banking. The "Metamorfo" malware disables autocomplete to force users to retype passwords that can then be hijacked. Metamorfo is familiar to security ... researchers, but has developed two new characteristics. The first is that it no longer targets only financial institutions in Brazil, but has expanded to other countries. The seconds is a new tactic to make it more effective. The malware works in a familiar fashion. It's distributed through a .ZIP file that's disguised as an invoice attached to ... (view more)

A computer security company claims malware attacks are on the decrease. The difference appears to be that criminals are more closely targeting attacks, which could be good news for the average user. The figures come from Sonicwall, which offers ... firewalls and other cyber security solutions. The data is based on the attacks and attempted attacks it detected among customers covering 1.1 million sites in 215 countries. (Source: sonicwall.com ) Although the actual numbers it gives aren't necessarily meaningful, the year-on-year comparisons between its new report covering 2019 and the one it did ... (view more)