Security News > 2021

Facebook blocks Chinese state hackers targeting Uyghur activists
2021-03-24 20:17

Facebook took down accounts used by a Chinese-sponsored hacking group to deploy surveillance malware on devices used by Uyghurs activists, journalists, and dissidents living outside China. The hacking group tracked as Earth Empusa or Evil Eye used the now disabled Facebook accounts to send links that redirected their targets to malicious websites under their control in watering hole attacks.

Microsoft fixes Windows PSExec privilege elevation vulnerability
2021-03-24 19:52

Microsoft has fixed a vulnerability in the PsExec utility that allows local users to gain elevated privileges on Windows devices. "This local privilege escalation allows a non-admin process to escalate to SYSTEM if PsExec is executed locally or remotely on the target machine. I was able to confirm this works from Windows 10 all the way back to XP and from my investigation, it affects PsExec v2.2 all the way back to v1.72," explained Wells.

Google Chrome will use HTTPS as default navigation protocol
2021-03-24 19:27

Google Chrome will switch to choosing HTTPS as the default protocol for all URLs typed in the address bar, starting with the web browser's next stable version. This move is part of a larger effort to defend users from attackers attempting to intercept their unencrypted web traffic and speed up the loading of websites served over HTTPS. "Chrome will now default to HTTPS for most typed navigations that don't specify a protocol," Chrome team's Shweta Panditrao and Mustafa Emre Acer said.

Facebook Disrupts Chinese Spies Using iPhone, Android Malware
2021-03-24 18:56

Facebook's threat intelligence team says it has disrupted a sophisticated Chinese spying team that routinely use iPhone and Android malware to hit journalists, dissidents and activists around the world. The hacking group, known to malware hunters as Evil Eye, has used Facebook to plant links to watering hole websites rigged with exploits for the two major mobile platforms.

Ransomware Attack Foils IoT Giant Sierra Wireless
2021-03-24 18:39

A ransomware attack on leading internet-of-things manufacturer Sierra Wireless this week ground its production activity to a halt and froze various other internal operations. The ransomware attack first hit on March 20, pushing the company's IT systems offline and halting production across its manufacturing sites.

Microsoft Exchange Servers See ProxyLogon Patching Frenzy
2021-03-24 18:39

The patching level for Microsoft Exchange Servers that are vulnerable to the ProxyLogon group of security bugs has reached 92 percent, according to Microsoft. Our work continues, but we are seeing strong momentum for on-premises Exchange Server updates: 92% of worldwide Exchange IPs are now patched or mitigated.

Cisco addresses critical bug in Windows, macOS Jabber clients
2021-03-24 18:08

Cisco has addressed a critical arbitrary program execution vulnerability impacting several versions of Cisco Jabber client software for Windows, macOS, Android, and iOS. Cisco Jabber is a web conferencing and instant messaging app that allows users to send messages via the Extensible Messaging and Presence Protocol. The vulnerability does not affect Cisco Jabber client software configured for Team Messaging or Phone-only modes.

Air Charter Firm Solairus Aviation Suffers Data Breach
2021-03-24 17:54

Private aviation services provider Solairus Aviation on Tuesday announced that some employee and customer data was compromised in a security incident at third-party vendor Avianis. In a data breach announcement on March 23, Solairus said aviation business management platform provider Avianis provided notification last December about an intrusion into Avianis' Microsoft Azure cloud platform, which hosts Solairus flight scheduling and tracking system.

Microsoft: Ongoing, Expanding Campaign Bypassing Phishing Protections
2021-03-24 17:12

A phishing email campaign detailed earlier this month is expanding with the use of additional email services to hide malicious intent, according to a warning from software giant Microsoft. At the time, the researchers revealed that the adversary behind the campaign was leveraging trusted domains to ensure that phishing emails successfully bypass email protections.

Cockup or conspiracy? Popular privacy extension ClearURLs removed from Chrome web store
2021-03-24 17:08

The Chrome browser extension ClearURLs has been removed from the Chrome Web Store, for reasons its developer describes as "Ridiculous." Google's Chrome team emailed ClearURLs developer Kevin Roebert yesterday to tell him: "Your item had to be removed from the Chrome Web Store," citing three violations of its terms.