Security News
Owners of Gigaset Android phones have been repeatedly infected with malware since the end of March after threat actors compromised the vendor's update server in a supply-chain attack. Gigaset is a German manufacturer of telecommunications devices, including a series of smartphones running the Android operating system.
During the first day of Pwn2Own 2021, contestants won $440,000 after successfully exploiting previously unknown vulnerabilities to hack Microsoft's Windows 10 OS, the Exchange mail server, and the Teams communication platform. The first to fall was Microsoft Exchange in the Server category after the Devcore team achieved remote code execution on an Exchange server by chaining together an authentication bypass and a local privilege escalation.
After taking over the domains for the notorious Coinhive in-browsing Monero mining service, a researcher is now displaying alerts on hacked websites that are still injecting the mining service's JavaScript. Two years later, CoinHive is still injected on sites.
The Cybersecurity and Infrastructure Security Agency has ordered federal agencies to scan their networks again for any signs of compromised on-premises Microsoft Exchange servers and report their findings within five days. CISA issued another directive ordering federal agencies to urgently update or disconnect their Exchange on-premises servers after Microsoft released security updates for zero-day bugs collectively dubbed ProxyLogon.
In the latest software supply chain attack, the official PHP Git repository was hacked and the code base tampered with. Yesterday, two malicious commits were pushed to the php-src Git repository maintained by the PHP team on their git.
In yet another instance of a software supply chain attack, unidentified actors hacked the official Git server of the PHP programming language and pushed unauthorized updates to insert a secret backdoor into its source code. The changes, which were committed as "Fix Typo" in an attempt to slip through undetected as a typographical correction, involved provisions for execution of arbitrary PHP code.
Microsoft has discovered web shells deployed by Black Kingdom operators on approximately 1,500 Exchange servers vulnerable to ProxyLogon attacks. More than 30 Black Kingdom submissions coming directly from impacted mail servers have been added to ransomware identification site ID Ransomware starting on March 18.
Microsoft has discovered web shells deployed by Black Kingdom operators on approximately 1,500 Exchange servers vulnerable to ProxyLogon attacks. More than 30 Black Kingdom submissions coming directly from impacted mail servers have been added to ransomware identification site ID Ransomware starting on March 18.
Two Polish government websites were hacked Wednesday and used briefly to spread false information about a non-existent radioactive threat, in what a Polish government official said had the hallmarks of a Russian cyberattack. The National Atomic Energy Agency and Health Ministry websites briefly carried claims of a supposed nuclear waste leak coming from neighboring Lithuania and threatening Poland.
It happened in July 2020, when many prominent blue-badged Twitter accounts suddenly starting sending out scammy cryptocoin messages. "Feeling greatful , doubling all payments made to my Bitcoin address," said one message, urging people to pay out $1000 now, with a $2000 payback to follow later.