Microsoft has identified a networking fault that has resulted in users being unable to access multiple services within its cloud-based portfolio of business productivity tools, including Teams and Outlook. The software giant said in a service status update that any users who are “serviced by the affected infrastructure” may be unable to access multiple […]

What is a translation lookaside buffer (TLB)? A translation lookaside buffer (TLB) is a type of memory cache that stores recent translations of virtual memory to physical addresses to enable faster retrieval. This high-speed cache is set up to keep track of recently used page table entries (PTEs). Also known as an address-translation cache, a […]

Chinese technology companies are supplying components used in a wide range of industrial and domestic smart devices that could expose businesses and governments to electronic spying by the Chinese state. China’s development of cellular internet of things (IoT) modules, which are widely used in smart devices in agriculture, manufacturing, transport and CCTV, poses a […]

What is a passkey? A passkey is an alternative method of user authentication that eliminates the need for usernames and passwords. Rather than relying on old login methods that are susceptible to phishing attacks, hacking attempts, keyloggers, data breaches and other security flaws, websites and apps can use passkeys to verify a user’s login credentials. […]

The Bank of England regulator, the Prudential Regulation Authority (PRA), has highlighted a number of concerning gaps and limitations in how major insurers model and respond to cyber risk, after conducting a stress test of the sector. The stress test exercise saw 17 general insurers and 21 Lloyd’s of London syndicates assess their solvency […]

IT has undergone a significant shift to the cloud, but may have stabilised – for now – at about half of corporate workloads, with the other half in the datacentre. Meanwhile, the trend is towards using the cloud as part of the backup process, with a large majority expecting to have gone down that […]

Nationwide Building Society CIO Gary Delooze is leaving after six years to take up a similar role at Co-operative bank. Delooze has taken a central role in Nationwide’s ongoing digital transformation in recent years, which has seen it become a digital leader in the finance sector. He will now take the reins at Co-operative […]

What is MIDI (Musical Instrument Digital Interface)? Musical Instrument Digital Interface (MIDI) is a standard to transmit and store music, originally designed for digital music synthesizers. MIDI does not transmit recorded sounds. Instead, it includes musical notes, timings and pitch information, which the receiving device uses to play music from its own sound library. MIDI […]

What is logical equivalence? Logical equivalence is the condition of equality that exists between two statements or sentences in propositional logic or Boolean algebra. The relationship between the two statements translates verbally into “if and only if.” In mathematics, logical equivalence is typically symbolized by a double arrow (⟺ or ⟷) or triple lines (≡). […]

Security teams are warned to be on the lookout for a growing wave of opportunistic and largely untargeted cyber attacks exploiting two related exploit chains to target Microsoft Exchange servers. This is according to Bitdefender Labs, which noted an uptick in attack volumes beginning at the end of November 2022. The attacks are technically […]