Lucian ConstantinCSO Senior Writer, IDG News Service
Lucian Constantin writes about information security, privacy, and data protection for CSO.
3 billion Yahoo accounts hacked: 5 things you should do to stay safe
If you were one of the 3 billion people with a Yahoo account in 2013, it was hacked. Here's how to stay safe.
Shadow Brokers tease more Windows exploits and cyberespionage data
A group of hackers that previously leaked alleged NSA exploits claims to have even more attack tools, as well as intelligence gathered by the agency on foreign banks and ballistic missile programs.
WannaCry attacks are only the beginning, experts warn
As the WannaCry ransomware attack evolves, more cybercriminals are likely to attempt to profit from the vulnerability it exploits and similar flaws in the future.
Google will review web apps that want access to its users' data
In response to recent attacks where hackers abused Google's OAuth services to gain access to Gmail accounts, the company will review new web applications that request Google users' data.
The nasty new Jaff ransomware demands $3,700 payments
Attackers behind the highly successful Locky and Bart ransomware campaigns have returned with a new creation: A malicious file-encrypting program called Jaff that asks victims for payments of around $3,700
Latest firmware updates for Asus routers fix CSRF security flaws
Users of Asus RT-N and RT-AC series routers should install the latest firmware updates released for their models because they address vulnerabilities that could allow attackers to hijack router settings.
Microsoft finally bans SHA-1 certificates in Internet Explorer and Edge
The Tuesday updates for Internet Explorer and Microsoft Edge forces those browsers to flag SSL/TLS certificates signed with the ageing SHA-1 hashing function as insecure.
Microsoft fixes 55 vulnerabilities, 3 exploited by Russian cyberspies
Microsoft released security patches Tuesday for 55 vulnerabilities across the company's products, including three flaws that have already been exploited in targeted attacks by cyberespionage groups.
Emergency Microsoft patch fixes 'crazy bad' Windows malware scanner bug
Microsoft released an update for the malware scanning engine bundled with most of its Windows security products to fix a highly critical vulnerability that could allow attackers to hack computers.
Trojan malware infests official HandBrake for Mac downloads
Hackers compromised a download server for HandBrake, a popular open-source program for converting video files, and used it to distribute a macOS version of the application that contained malware.
Cyberspies tap free tools to make powerful malware framework
Over the past year, a group of attackers has managed to infect hundreds of computers belonging to government agencies with a malware framework stitched together from JavaScript code and publicly available tools.
Snake cyberespionage malware is ready to bite Mac users
A sophisticated Russian cyberespionage group is readying attacks against Mac users and has recently ported its Windows backdoor program to macOS.
Shodan search engine starts unmasking malware command-and-control servers
There's now a new tool that could allow researchers and companies to quickly block communications between some malware families and their constantly changing command-and-control servers.
Android gets patches for critical flaws in media handling, hardware drivers
Android has received security fixes for over one hundred vulnerabilities, including 29 critical flaws in the media processing server, hardware-specific drivers and other components.
Stealthy Mac malware spies on encrypted browser traffic
A new malware program that targets macOS users is capable of spying on encrypted browser traffic and stealing sensitive information.
Articles by Lucian Constantin
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