Security News

Microsoft expands access to cloud logging data for free after Exchange hacks
2023-07-19 15:39

Microsoft is expanding access to additional cloud logging data for customers worldwide at no additional cost, allowing easier detection of breached networks and accounts.This wider availability comes after Chinese hackers stole a Microsoft signing key that allowed them to breach corporate and government Microsoft Exchange and Microsoft 365 accounts to steal email.

Microsoft Exchange Online hit by new outage blocking emails
2023-07-18 09:06

We and our store and/or access information on a device, such as cookies and process personal data, such as unique identifiers and standard information sent by a device for personalised ads and content, ad and content measurement, and audience insights, as well as to develop and improve products. With your permission we and our partners may use precise geolocation data and identification through device scanning.

Microsoft admits unauthorized access to Exchange Online, blames Chinese gang
2023-07-13 06:26

US commerce secretary Gina Raimondo and other State and Commerce Department officials were reportedly among the victims of a China-based group's attack on Microsoft's hosted email services. The US Cybersecurity and Infrastructure Security Agency and the FBI issued a joint advisory detailing how a Federal Civilian Executive Branch agency was tipped off when it observed MailItemsAccessed events with an unexpected ClientAppID and AppID in Microsoft 365 Audit Logs - as the AppId did not normally access mailbox items in that manner.

Microsoft: Chinese hackers breached US govt Exchange email accounts
2023-07-12 12:51

A Chinese hacking group has breached the email accounts of more than two dozen organizations worldwide, including U.S. and Western European government agencies, according to Microsoft. "Microsoft investigations determined that Storm-0558 gained access to customer email accounts using Outlook Web Access in Exchange Online and Outlook.com by forging authentication tokens to access user email," Microsoft said in a blog post published late Tuesday evening.

Japanese Cryptocurrency Exchange Falls Victim to JokerSpy macOS Backdoor Attack
2023-06-26 12:36

An unknown cryptocurrency exchange located in Japan was the target of a new attack earlier this month to deploy an Apple macOS backdoor called JokerSpy. Elastic Security Labs, which is monitoring the intrusion set under the name REF9134, said the attack led to the installation of Swiftbelt, a Swift-based enumeration tool inspired by an open-source utility called SeatBelt.

June 2023 Patch Tuesday: Critical patches for Microsoft Windows, SharePoint, Exchange
2023-06-13 18:36

For June 2023 Patch Tuesday, Microsoft has delivered 70 new patches but, for once, none of the fixed vulnerabilities are currently exploited by attackers nor were publicly known before today! Microsoft has previously fixed CVE-2023-3079, a type confusion vulnerability in Chromium's V8 JavaScript engine, which was spotted being exploited by attackers to target Chrome users.

Two Russian Nationals Charged for Masterminding Mt. Gox Crypto Exchange Hack
2023-06-13 10:39

The U.S. Department of Justice has charged two Russian nationals in connection with masterminding the 2014 digital heist of the now-defunct cryptocurrency exchange Mt. Gox. According to unsealed indictments released last week, Alexey Bilyuchenko, 43, and Aleksandr Verner, 29, have been accused of conspiring to launder approximately 647,000 bitcoins stolen from September 2011 through at least May 2014 as a result of unauthorized access to a server holding crypto wallets used by Mt. Gox customers.

Unsealed: Charges against Russians blamed for Mt Gox crypto-exchange collapse
2023-06-12 23:23

American prosecutors have unsealed an indictment against two Russians who allegedly had a hand in the ransacking and collapse of Mt Gox a decade ago, an implosion that cost the cryptocurrency exchange's thousands of customers most of their digital coins. Bilyuchenko and Aleksandr Verner, 29, were charged with conspiring to launder about 647,000 Bitcoins stolen from Mt Gox starting in 2011, fueling the exchange's eventual collapse in 2014.

Russians charged with hacking Mt. Gox crypto exchange, running BTC-e
2023-06-09 15:57

Russian nationals Alexey Bilyuchenko and Aleksandr Verner have been charged with the 2011 hacking of the leading cryptocurrency exchange Mt. Gox and the laundering of around 647,000 bitcoins they stole. The U.S. Department of Justice also charged Bilyuchenko with conspiring with Russian national Alexander Vinnik to run the unlicensed BTC-e Bitcoin trading platform between 2011 and 2017.

New PowerExchange malware backdoors Microsoft Exchange servers
2023-05-24 19:17

A new PowerShell-based malware dubbed PowerExchange was used in attacks linked to APT34 Iranian state hackers to backdoor on-premise Microsoft Exchange servers. Notably, the malware communicates with its command-and-control server via emails sent using the Exchange Web Services API, sending stolen info and receiving base64-encoded commands through text attachments to emails with the "Update Microsoft Edge" subject.